diff --git a/packages/xcb/src/root.zig b/packages/xcb/src/root.zig
index ccaceaa..c9e4858 100644
--- a/packages/xcb/src/root.zig
+++ b/packages/xcb/src/root.zig
@@ -1786,32 +1786,6 @@ pub const ScreenIterator = extern struct {
     pub const end = import.xcb_screen_end;
 };
 
-pub const SetupRequest = extern struct {
-    byte_order: u8 = 0,
-    pad0: u8 = 0,
-    protocol_major_version: u16 = 0,
-    protocol_minor_version: u16 = 0,
-    authorization_protocol_name_len: u16 = 0,
-    authorization_protocol_data_len: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-
-    pub const authorizationProtocolName = import.xcb_setup_request_authorization_protocol_name;
-    pub const authorizationProtocolNameLength = import.xcb_setup_request_authorization_protocol_name_length;
-    pub const authorizationProtocolNameEnd = import.xcb_setup_request_authorization_protocol_name_end;
-    pub const authorizationProtocolData = import.xcb_setup_request_authorization_protocol_data;
-    pub const authorizationProtocolDataLength = import.xcb_setup_request_authorization_protocol_data_length;
-    pub const authorizationProtocolDataEnd = import.xcb_setup_request_authorization_protocol_data_end;
-};
-
-pub const SetupRequestIterator = extern struct {
-    data: *SetupRequest = undefined,
-    rem: c_int = 0,
-    index: c_int = 0,
-
-    pub const next = import.xcb_setup_request_next;
-    pub const end = import.xcb_setup_request_end;
-};
-
 pub const SetupFailed = extern struct {
     status: u8 = 0,
     reason_len: u8 = 0,
@@ -2465,24 +2439,6 @@ pub const CreateWindowValueList = extern struct {
     cursor: Cursor = .NONE,
 };
 
-pub const CreateWindowRequest = extern struct {
-    major_opcode: u8 = 0,
-    depth: u8 = 0,
-    length: u16 = 0,
-    wid: Window = .NONE,
-    parent: Window = .NONE,
-    x: i16 = 0,
-    y: i16 = 0,
-    width: u16 = 0,
-    height: u16 = 0,
-    border_width: u16 = 0,
-    _class: WindowClass = 0,
-    visual: Visualid = @enumFromInt(0),
-    value_mask: Cw = .{},
-
-    pub const valueList = import.xcb_create_window_value_list;
-};
-
 pub const ChangeWindowAttributesValueList = extern struct {
     background_pixmap: Pixmap = .NONE,
     background_pixel: u32 = 0,
@@ -2501,16 +2457,6 @@ pub const ChangeWindowAttributesValueList = extern struct {
     cursor: Cursor = .NONE,
 };
 
-pub const ChangeWindowAttributesRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    value_mask: u32 = 0,
-
-    pub const valueList = import.xcb_change_window_attributes_value_list;
-};
-
 pub const MapState = enum(c_uint) {
     UNMAPPED = 0,
     UNVIEWABLE = 1,
@@ -2522,20 +2468,13 @@ pub const GetWindowAttributesCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetWindowAttributesRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const GetWindowAttributesReply = extern struct {
     response_type: u8 = 0,
     backing_store: u8 = 0,
     sequence: u16 = 0,
     length: u32 = 0,
     visual: Visualid = @enumFromInt(0),
-    _class: WindowClass = 0,
+    _class: WindowClass = .COPY_FROM_PARENT,
     bit_gravity: u8 = 0,
     win_gravity: u8 = 0,
     backing_planes: u32 = 0,
@@ -2551,71 +2490,12 @@ pub const GetWindowAttributesReply = extern struct {
     pad0: [2]u8 = @splat(0),
 };
 
-pub const DestroyWindowRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
-pub const DestroySubwindowsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const SetMode = enum(c_uint) {
     INSERT = 0,
     DELETE = 1,
     _,
 };
 
-pub const ChangeSaveSetRequest = extern struct {
-    major_opcode: u8 = 0,
-    mode: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
-pub const ReparentWindowRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    parent: Window = .NONE,
-    x: i16 = 0,
-    y: i16 = 0,
-};
-
-pub const MapWindowRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
-pub const MapSubwindowsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
-pub const UnmapWindowRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
-pub const UnmapSubwindowsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const ConfigWindow = packed struct(c_uint) {
     X: bool = false,
     Y: bool = false,
@@ -2646,41 +2526,16 @@ pub const ConfigureWindowValueList = extern struct {
     stack_mode: u32 = 0,
 };
 
-pub const ConfigureWindowRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    value_mask: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-
-    pub const valueList = import.xcb_configure_window_value_list;
-};
-
 pub const Circulate = enum(c_uint) {
     RAISE_LOWEST = 0,
     LOWER_HIGHEST = 1,
     _,
 };
 
-pub const CirculateWindowRequest = extern struct {
-    major_opcode: u8 = 0,
-    direction: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const GetGeometryCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetGeometryRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-};
-
 pub const GetGeometryReply = extern struct {
     response_type: u8 = 0,
     depth: u8 = 0,
@@ -2699,13 +2554,6 @@ pub const QueryTreeCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryTreeRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const QueryTreeReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -2725,14 +2573,6 @@ pub const InternAtomCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const InternAtomRequest = extern struct {
-    major_opcode: u8 = 0,
-    only_if_exists: u8 = 0,
-    length: u16 = 0,
-    name_len: u16 = 0,
-    pad0: [2]u8 = @splat(0),
-};
-
 pub const InternAtomReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -2745,13 +2585,6 @@ pub const GetAtomNameCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetAtomNameRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    atom: Atom = .NONE,
-};
-
 pub const GetAtomNameReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -2772,45 +2605,10 @@ pub const PropMode = enum(u8) {
     _,
 };
 
-pub const ChangePropertyRequest = extern struct {
-    major_opcode: u8 = 0,
-    mode: PropMode = .REPLACE,
-    length: u16 = 0,
-    window: Window = .NONE,
-    property: Atom = .NONE,
-    type: Atom = .NONE,
-    format: u8 = 0,
-    pad0: [3]u8 = @splat(0),
-    data_len: u32 = 0,
-
-    pub const data = import.xcb_change_property_data;
-    pub const dataLength = import.xcb_change_property_data_length;
-    pub const dataEnd = import.xcb_change_property_data_end;
-};
-
-pub const DeletePropertyRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    property: Atom = .NONE,
-};
-
 pub const GetPropertyCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetPropertyRequest = extern struct {
-    major_opcode: u8 = 0,
-    _delete: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    property: Atom = .NONE,
-    type: Atom = .NONE,
-    long_offset: u32 = 0,
-    long_length: u32 = 0,
-};
-
 pub const GetPropertyReply = extern struct {
     response_type: u8 = 0,
     format: u8 = 0,
@@ -2830,13 +2628,6 @@ pub const ListPropertiesCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const ListPropertiesRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const ListPropertiesReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -2850,26 +2641,10 @@ pub const ListPropertiesReply = extern struct {
     pub const atomsEnd = import.xcb_list_properties_atoms_end;
 };
 
-pub const SetSelectionOwnerRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    owner: Window = .NONE,
-    selection: Atom = .NONE,
-    time: Timestamp = .CURRENT_TIME,
-};
-
 pub const GetSelectionOwnerCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetSelectionOwnerRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    selection: Atom = .NONE,
-};
-
 pub const GetSelectionOwnerReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -2878,32 +2653,12 @@ pub const GetSelectionOwnerReply = extern struct {
     owner: Window = .NONE,
 };
 
-pub const ConvertSelectionRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    requestor: Window = .NONE,
-    selection: Atom = .NONE,
-    target: Atom = .NONE,
-    property: Atom = .NONE,
-    time: Timestamp = .CURRENT_TIME,
-};
-
 pub const SendEventDest = enum(c_uint) {
     POINTER_WINDOW = 0,
     ITEM_FOCUS = 1,
     _,
 };
 
-pub const SendEventRequest = extern struct {
-    major_opcode: u8 = 0,
-    propagate: u8 = 0,
-    length: u16 = 0,
-    destination: Window = .NONE,
-    event_mask: u32 = 0,
-    event: [32]u8 = @splat(0),
-};
-
 pub const GrabMode = enum(c_uint) {
     SYNC = 0,
     ASYNC = 1,
@@ -2923,19 +2678,6 @@ pub const GrabPointerCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GrabPointerRequest = extern struct {
-    major_opcode: u8 = 0,
-    owner_events: u8 = 0,
-    length: u16 = 0,
-    grab_window: Window = .NONE,
-    event_mask: u16 = 0,
-    pointer_mode: u8 = 0,
-    keyboard_mode: u8 = 0,
-    confine_to: Window = .NONE,
-    cursor: Cursor = .NONE,
-    time: Timestamp = .CURRENT_TIME,
-};
-
 pub const GrabPointerReply = extern struct {
     response_type: u8 = 0,
     status: u8 = 0,
@@ -2943,13 +2685,6 @@ pub const GrabPointerReply = extern struct {
     length: u32 = 0,
 };
 
-pub const UngrabPointerRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    time: Timestamp = .CURRENT_TIME,
-};
-
 pub const ButtonIndex = enum(c_uint) {
     ANY = 0,
     @"1" = 1,
@@ -2960,55 +2695,10 @@ pub const ButtonIndex = enum(c_uint) {
     _,
 };
 
-pub const GrabButtonRequest = extern struct {
-    major_opcode: u8 = 0,
-    owner_events: u8 = 0,
-    length: u16 = 0,
-    grab_window: Window = .NONE,
-    event_mask: u16 = 0,
-    pointer_mode: u8 = 0,
-    keyboard_mode: u8 = 0,
-    confine_to: Window = .NONE,
-    cursor: Cursor = .NONE,
-    button: u8 = 0,
-    pad0: u8 = 0,
-    modifiers: u16 = 0,
-};
-
-pub const UngrabButtonRequest = extern struct {
-    major_opcode: u8 = 0,
-    button: u8 = 0,
-    length: u16 = 0,
-    grab_window: Window = .NONE,
-    modifiers: u16 = 0,
-    pad0: [2]u8 = @splat(0),
-};
-
-pub const ChangeActivePointerGrabRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cursor: Cursor = .NONE,
-    time: Timestamp = .CURRENT_TIME,
-    event_mask: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-};
-
 pub const GrabKeyboardCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GrabKeyboardRequest = extern struct {
-    major_opcode: u8 = 0,
-    owner_events: u8 = 0,
-    length: u16 = 0,
-    grab_window: Window = .NONE,
-    time: Timestamp = .CURRENT_TIME,
-    pointer_mode: u8 = 0,
-    keyboard_mode: u8 = 0,
-    pad0: [2]u8 = @splat(0),
-};
-
 pub const GrabKeyboardReply = extern struct {
     response_type: u8 = 0,
     status: u8 = 0,
@@ -3016,34 +2706,6 @@ pub const GrabKeyboardReply = extern struct {
     length: u32 = 0,
 };
 
-pub const UngrabKeyboardRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    time: Timestamp = .CURRENT_TIME,
-};
-
-pub const GrabKeyRequest = extern struct {
-    major_opcode: u8 = 0,
-    owner_events: u8 = 0,
-    length: u16 = 0,
-    grab_window: Window = .NONE,
-    modifiers: u16 = 0,
-    key: Keycode = @enumFromInt(0),
-    pointer_mode: u8 = 0,
-    keyboard_mode: u8 = 0,
-    pad0: [3]u8 = @splat(0),
-};
-
-pub const UngrabKeyRequest = extern struct {
-    major_opcode: u8 = 0,
-    key: Keycode = @enumFromInt(0),
-    length: u16 = 0,
-    grab_window: Window = .NONE,
-    modifiers: u16 = 0,
-    pad0: [2]u8 = @splat(0),
-};
-
 pub const Allow = enum(c_uint) {
     ASYNC_POINTER = 0,
     SYNC_POINTER = 1,
@@ -3056,36 +2718,10 @@ pub const Allow = enum(c_uint) {
     _,
 };
 
-pub const AllowEventsRequest = extern struct {
-    major_opcode: u8 = 0,
-    mode: u8 = 0,
-    length: u16 = 0,
-    time: Timestamp = .CURRENT_TIME,
-};
-
-pub const GrabServerRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
-pub const UngrabServerRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const QueryPointerCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryPointerRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const QueryPointerReply = extern struct {
     response_type: u8 = 0,
     same_screen: u8 = 0,
@@ -3120,15 +2756,6 @@ pub const GetMotionEventsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetMotionEventsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    start: Timestamp = .CURRENT_TIME,
-    stop: Timestamp = .CURRENT_TIME,
-};
-
 pub const GetMotionEventsReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -3146,16 +2773,6 @@ pub const TranslateCoordinatesCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const TranslateCoordinatesRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    src_window: Window = .NONE,
-    dst_window: Window = .NONE,
-    src_x: i16 = 0,
-    src_y: i16 = 0,
-};
-
 pub const TranslateCoordinatesReply = extern struct {
     response_type: u8 = 0,
     same_screen: u8 = 0,
@@ -3166,20 +2783,6 @@ pub const TranslateCoordinatesReply = extern struct {
     dst_y: i16 = 0,
 };
 
-pub const WarpPointerRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    src_window: Window = .NONE,
-    dst_window: Window = .NONE,
-    src_x: i16 = 0,
-    src_y: i16 = 0,
-    src_width: u16 = 0,
-    src_height: u16 = 0,
-    dst_x: i16 = 0,
-    dst_y: i16 = 0,
-};
-
 pub const InputFocus = enum(c_uint) {
     NONE = 0,
     POINTER_ROOT = 1,
@@ -3188,24 +2791,10 @@ pub const InputFocus = enum(c_uint) {
     _,
 };
 
-pub const SetInputFocusRequest = extern struct {
-    major_opcode: u8 = 0,
-    revert_to: u8 = 0,
-    length: u16 = 0,
-    focus: Window = .NONE,
-    time: Timestamp = .CURRENT_TIME,
-};
-
 pub const GetInputFocusCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetInputFocusRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const GetInputFocusReply = extern struct {
     response_type: u8 = 0,
     revert_to: u8 = 0,
@@ -3218,12 +2807,6 @@ pub const QueryKeymapCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryKeymapRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const QueryKeymapReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -3232,26 +2815,6 @@ pub const QueryKeymapReply = extern struct {
     keys: [32]u8 = @splat(0),
 };
 
-pub const OpenFontRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    fid: Font = .NONE,
-    name_len: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-
-    pub const name = import.xcb_open_font_name;
-    pub const nameLength = import.xcb_open_font_name_length;
-    pub const nameEnd = import.xcb_open_font_name_end;
-};
-
-pub const CloseFontRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    font: Font = .NONE,
-};
-
 pub const FontDraw = enum(c_uint) {
     LEFT_TO_RIGHT = 0,
     RIGHT_TO_LEFT = 1,
@@ -3294,13 +2857,6 @@ pub const QueryFontCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryFontRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    font: Fontable = @enumFromInt(0),
-};
-
 pub const QueryFontReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -3334,13 +2890,6 @@ pub const QueryTextExtentsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryTextExtentsRequest = extern struct {
-    major_opcode: u8 = 0,
-    odd_length: u8 = 0,
-    length: u16 = 0,
-    font: Fontable = @enumFromInt(0),
-};
-
 pub const QueryTextExtentsReply = extern struct {
     response_type: u8 = 0,
     draw_direction: u8 = 0,
@@ -3376,14 +2925,6 @@ pub const ListFontsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const ListFontsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    max_names: u16 = 0,
-    pattern_len: u16 = 0,
-};
-
 pub const ListFontsReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -3400,14 +2941,6 @@ pub const ListFontsWithInfoCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const ListFontsWithInfoRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    max_names: u16 = 0,
-    pattern_len: u16 = 0,
-};
-
 pub const ListFontsWithInfoReply = extern struct {
     response_type: u8 = 0,
     name_len: u8 = 0,
@@ -3437,27 +2970,10 @@ pub const ListFontsWithInfoReply = extern struct {
     pub const nameEnd = import.xcb_list_fonts_with_info_name_end;
 };
 
-pub const SetFontPathRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    font_qty: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-
-    pub const fontLength = import.xcb_set_font_path_font_length;
-    pub const fontIterator = import.xcb_set_font_path_font_iterator;
-};
-
 pub const GetFontPathCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetFontPathRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const GetFontPathReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -3470,23 +2986,6 @@ pub const GetFontPathReply = extern struct {
     pub const pathIterator = import.xcb_get_font_path_path_iterator;
 };
 
-pub const CreatePixmapRequest = extern struct {
-    major_opcode: u8 = 0,
-    depth: u8 = 0,
-    length: u16 = 0,
-    pid: Pixmap = .NONE,
-    drawable: Drawable = @enumFromInt(0),
-    width: u16 = 0,
-    height: u16 = 0,
-};
-
-pub const FreePixmapRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    pixmap: Pixmap = .NONE,
-};
-
 pub const Gc = packed struct(c_uint) {
     FUNCTION: bool = false,
     PLANE_MASK: bool = false,
@@ -3608,17 +3107,6 @@ pub const CreateGcValueList = extern struct {
     arc_mode: u32 = 0,
 };
 
-pub const CreateGcRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cid: Gcontext = @enumFromInt(0),
-    drawable: Drawable = @enumFromInt(0),
-    value_mask: u32 = 0,
-
-    pub const valueList = import.xcb_create_gc_value_list;
-};
-
 pub const ChangeGcValueList = extern struct {
     function: u32 = 0,
     plane_mask: u32 = 0,
@@ -3645,38 +3133,6 @@ pub const ChangeGcValueList = extern struct {
     arc_mode: u32 = 0,
 };
 
-pub const ChangeGcRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    gc: Gcontext = @enumFromInt(0),
-    value_mask: u32 = 0,
-
-    pub const valueList = import.xcb_change_gc_value_list;
-};
-
-pub const CopyGcRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    src_gc: Gcontext = @enumFromInt(0),
-    dst_gc: Gcontext = @enumFromInt(0),
-    value_mask: u32 = 0,
-};
-
-pub const SetDashesRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    gc: Gcontext = @enumFromInt(0),
-    dash_offset: u16 = 0,
-    dashes_len: u16 = 0,
-
-    pub const dashes = import.xcb_set_dashes_dashes;
-    pub const dashesLength = import.xcb_set_dashes_dashes_length;
-    pub const dashesEnd = import.xcb_set_dashes_dashes_end;
-};
-
 pub const ClipOrdering = enum(c_uint) {
     UNSORTED = 0,
     Y_SORTED = 1,
@@ -3685,98 +3141,12 @@ pub const ClipOrdering = enum(c_uint) {
     _,
 };
 
-pub const SetClipRectanglesRequest = extern struct {
-    major_opcode: u8 = 0,
-    ordering: u8 = 0,
-    length: u16 = 0,
-    gc: Gcontext = @enumFromInt(0),
-    clip_x_origin: i16 = 0,
-    clip_y_origin: i16 = 0,
-
-    pub const rectangles = import.xcb_set_clip_rectangles_rectangles;
-    pub const rectanglesLength = import.xcb_set_clip_rectangles_rectangles_length;
-    pub const rectanglesIterator = import.xcb_set_clip_rectangles_rectangles_iterator;
-};
-
-pub const FreeGcRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    gc: Gcontext = @enumFromInt(0),
-};
-
-pub const ClearAreaRequest = extern struct {
-    major_opcode: u8 = 0,
-    exposures: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    x: i16 = 0,
-    y: i16 = 0,
-    width: u16 = 0,
-    height: u16 = 0,
-};
-
-pub const CopyAreaRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    src_drawable: Drawable = @enumFromInt(0),
-    dst_drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    src_x: i16 = 0,
-    src_y: i16 = 0,
-    dst_x: i16 = 0,
-    dst_y: i16 = 0,
-    width: u16 = 0,
-    height: u16 = 0,
-};
-
-pub const CopyPlaneRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    src_drawable: Drawable = @enumFromInt(0),
-    dst_drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    src_x: i16 = 0,
-    src_y: i16 = 0,
-    dst_x: i16 = 0,
-    dst_y: i16 = 0,
-    width: u16 = 0,
-    height: u16 = 0,
-    bit_plane: u32 = 0,
-};
-
 pub const CoordMode = enum(c_uint) {
     ORIGIN = 0,
     PREVIOUS = 1,
     _,
 };
 
-pub const PolyPointRequest = extern struct {
-    major_opcode: u8 = 0,
-    coordinate_mode: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-
-    pub const points = import.xcb_poly_point_points;
-    pub const pointsLength = import.xcb_poly_point_points_length;
-    pub const pointsIterator = import.xcb_poly_point_points_iterator;
-};
-
-pub const PolyLineRequest = extern struct {
-    major_opcode: u8 = 0,
-    coordinate_mode: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-
-    pub const points = import.xcb_poly_line_points;
-    pub const pointsLength = import.xcb_poly_line_points_length;
-    pub const pointsIterator = import.xcb_poly_line_points_iterator;
-};
-
 pub const Segment = extern struct {
     x1: i16 = 0,
     y1: i16 = 0,
@@ -3793,42 +3163,6 @@ pub const SegmentIterator = extern struct {
     pub const end = import.xcb_segment_end;
 };
 
-pub const PolySegmentRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-
-    pub const segments = import.xcb_poly_segment_segments;
-    pub const segmentsLength = import.xcb_poly_segment_segments_length;
-    pub const segmentsIterator = import.xcb_poly_segment_segments_iterator;
-};
-
-pub const PolyRectangleRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-
-    pub const rectangles = import.xcb_poly_rectangle_rectangles;
-    pub const rectanglesLength = import.xcb_poly_rectangle_rectangles_length;
-    pub const rectanglesIterator = import.xcb_poly_rectangle_rectangles_iterator;
-};
-
-pub const PolyArcRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-
-    pub const arcs = import.xcb_poly_arc_arcs;
-    pub const arcsLength = import.xcb_poly_arc_arcs_length;
-    pub const arcsIterator = import.xcb_poly_arc_arcs_iterator;
-};
-
 pub const PolyShape = enum(c_uint) {
     COMPLEX = 0,
     NONCONVEX = 1,
@@ -3836,45 +3170,6 @@ pub const PolyShape = enum(c_uint) {
     _,
 };
 
-pub const FillPolyRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    shape: u8 = 0,
-    coordinate_mode: u8 = 0,
-    pad1: [2]u8 = @splat(0),
-
-    pub const points = import.xcb_fill_poly_points;
-    pub const pointsLength = import.xcb_fill_poly_points_length;
-    pub const pointsIterator = import.xcb_fill_poly_points_iterator;
-};
-
-pub const PolyFillRectangleRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-
-    pub const rectangles = import.xcb_poly_fill_rectangle_rectangles;
-    pub const rectanglesLength = import.xcb_poly_fill_rectangle_rectangles_length;
-    pub const rectanglesIterator = import.xcb_poly_fill_rectangle_rectangles_iterator;
-};
-
-pub const PolyFillArcRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-
-    pub const arcs = import.xcb_poly_fill_arc_arcs;
-    pub const arcsLength = import.xcb_poly_fill_arc_arcs_length;
-    pub const arcsIterator = import.xcb_poly_fill_arc_arcs_iterator;
-};
-
 pub const ImageFormat = enum(c_uint) {
     XY_BITMAP = 0,
     XY_PIXMAP = 1,
@@ -3882,41 +3177,10 @@ pub const ImageFormat = enum(c_uint) {
     _,
 };
 
-pub const PutImageRequest = extern struct {
-    major_opcode: u8 = 0,
-    format: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    width: u16 = 0,
-    height: u16 = 0,
-    dst_x: i16 = 0,
-    dst_y: i16 = 0,
-    left_pad: u8 = 0,
-    depth: u8 = 0,
-    pad0: [2]u8 = @splat(0),
-
-    pub const data = import.xcb_put_image_data;
-    pub const dataLength = import.xcb_put_image_data_length;
-    pub const dataEnd = import.xcb_put_image_data_end;
-};
-
 pub const GetImageCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetImageRequest = extern struct {
-    major_opcode: u8 = 0,
-    format: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    x: i16 = 0,
-    y: i16 = 0,
-    width: u16 = 0,
-    height: u16 = 0,
-    plane_mask: u32 = 0,
-};
-
 pub const GetImageReply = extern struct {
     response_type: u8 = 0,
     depth: u8 = 0,
@@ -3930,117 +3194,16 @@ pub const GetImageReply = extern struct {
     pub const dataEnd = import.xcb_get_image_data_end;
 };
 
-pub const PolyText8Request = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    x: i16 = 0,
-    y: i16 = 0,
-
-    pub const items = import.xcb_poly_text_8_items;
-    pub const itemsLength = import.xcb_poly_text_8_items_length;
-    pub const itemsEnd = import.xcb_poly_text_8_items_end;
-};
-
-pub const PolyText16Request = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    x: i16 = 0,
-    y: i16 = 0,
-
-    pub const items = import.xcb_poly_text_16_items;
-    pub const itemsLength = import.xcb_poly_text_16_items_length;
-    pub const itemsEnd = import.xcb_poly_text_16_items_end;
-};
-
-pub const ImageText8Request = extern struct {
-    major_opcode: u8 = 0,
-    string_len: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    x: i16 = 0,
-    y: i16 = 0,
-
-    pub const string = import.xcb_image_text_8_string;
-    pub const stringLength = import.xcb_image_text_8_string_length;
-    pub const stringEnd = import.xcb_image_text_8_string_end;
-};
-
-pub const ImageText16Request = extern struct {
-    major_opcode: u8 = 0,
-    string_len: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    gc: Gcontext = @enumFromInt(0),
-    x: i16 = 0,
-    y: i16 = 0,
-
-    pub const string = import.xcb_image_text_16_string;
-    pub const stringLength = import.xcb_image_text_16_string_length;
-    pub const stringIterator = import.xcb_image_text_16_string_iterator;
-};
-
 pub const ColormapAlloc = enum(c_uint) {
     NONE = 0,
     ALL = 1,
     _,
 };
 
-pub const CreateColormapRequest = extern struct {
-    major_opcode: u8 = 0,
-    alloc: u8 = 0,
-    length: u16 = 0,
-    mid: Colormap = .NONE,
-    window: Window = .NONE,
-    visual: Visualid = @enumFromInt(0),
-};
-
-pub const FreeColormapRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-};
-
-pub const CopyColormapAndFreeRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    mid: Colormap = .NONE,
-    src_cmap: Colormap = .NONE,
-};
-
-pub const InstallColormapRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-};
-
-pub const UninstallColormapRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-};
-
 pub const ListInstalledColormapsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const ListInstalledColormapsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-};
-
 pub const ListInstalledColormapsReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4058,17 +3221,6 @@ pub const AllocColorCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const AllocColorRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-    red: u16 = 0,
-    green: u16 = 0,
-    blue: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-};
-
 pub const AllocColorReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4085,15 +3237,6 @@ pub const AllocNamedColorCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const AllocNamedColorRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-    name_len: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-};
-
 pub const AllocNamedColorReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4112,15 +3255,6 @@ pub const AllocColorCellsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const AllocColorCellsRequest = extern struct {
-    major_opcode: u8 = 0,
-    contiguous: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-    colors: u16 = 0,
-    planes: u16 = 0,
-};
-
 pub const AllocColorCellsReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4142,17 +3276,6 @@ pub const AllocColorPlanesCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const AllocColorPlanesRequest = extern struct {
-    major_opcode: u8 = 0,
-    contiguous: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-    colors: u16 = 0,
-    reds: u16 = 0,
-    greens: u16 = 0,
-    blues: u16 = 0,
-};
-
 pub const AllocColorPlanesReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4170,18 +3293,6 @@ pub const AllocColorPlanesReply = extern struct {
     pub const pixelsEnd = import.xcb_alloc_color_planes_pixels_end;
 };
 
-pub const FreeColorsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-    plane_mask: u32 = 0,
-
-    pub const pixels = import.xcb_free_colors_pixels;
-    pub const pixelsLength = import.xcb_free_colors_pixels_length;
-    pub const pixelsEnd = import.xcb_free_colors_pixels_end;
-};
-
 pub const ColorFlag = packed struct(c_uint) {
     RED: bool = false,
     GREEN: bool = false,
@@ -4207,31 +3318,6 @@ pub const ColoritemIterator = extern struct {
     pub const end = import.xcb_coloritem_end;
 };
 
-pub const StoreColorsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-
-    pub const items = import.xcb_store_colors_items;
-    pub const itemsLength = import.xcb_store_colors_items_length;
-    pub const itemsIterator = import.xcb_store_colors_items_iterator;
-};
-
-pub const StoreNamedColorRequest = extern struct {
-    major_opcode: u8 = 0,
-    flags: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-    pixel: u32 = 0,
-    name_len: u16 = 0,
-    pad0: [2]u8 = @splat(0),
-
-    pub const name = import.xcb_store_named_color_name;
-    pub const nameLength = import.xcb_store_named_color_name_length;
-    pub const nameEnd = import.xcb_store_named_color_name_end;
-};
-
 pub const Rgb = extern struct {
     red: u16 = 0,
     green: u16 = 0,
@@ -4252,13 +3338,6 @@ pub const QueryColorsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryColorsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-};
-
 pub const QueryColorsReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4276,15 +3355,6 @@ pub const LookupColorCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const LookupColorRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cmap: Colormap = .NONE,
-    name_len: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-};
-
 pub const LookupColorReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4298,60 +3368,6 @@ pub const LookupColorReply = extern struct {
     visual_blue: u16 = 0,
 };
 
-pub const CreateCursorRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cid: Cursor = .NONE,
-    source: Pixmap = .NONE,
-    mask: Pixmap = .NONE,
-    fore_red: u16 = 0,
-    fore_green: u16 = 0,
-    fore_blue: u16 = 0,
-    back_red: u16 = 0,
-    back_green: u16 = 0,
-    back_blue: u16 = 0,
-    x: u16 = 0,
-    y: u16 = 0,
-};
-
-pub const CreateGlyphCursorRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cid: Cursor = .NONE,
-    source_font: Font = .NONE,
-    mask_font: Font = .NONE,
-    source_char: u16 = 0,
-    mask_char: u16 = 0,
-    fore_red: u16 = 0,
-    fore_green: u16 = 0,
-    fore_blue: u16 = 0,
-    back_red: u16 = 0,
-    back_green: u16 = 0,
-    back_blue: u16 = 0,
-};
-
-pub const FreeCursorRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cursor: Cursor = .NONE,
-};
-
-pub const RecolorCursorRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    cursor: Cursor = .NONE,
-    fore_red: u16 = 0,
-    fore_green: u16 = 0,
-    fore_blue: u16 = 0,
-    back_red: u16 = 0,
-    back_green: u16 = 0,
-    back_blue: u16 = 0,
-};
-
 pub const QueryShapeOf = enum(c_uint) {
     LARGEST_CURSOR = 0,
     FASTEST_TILE = 1,
@@ -4363,15 +3379,6 @@ pub const QueryBestSizeCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryBestSizeRequest = extern struct {
-    major_opcode: u8 = 0,
-    _class: u8 = 0,
-    length: u16 = 0,
-    drawable: Drawable = @enumFromInt(0),
-    width: u16 = 0,
-    height: u16 = 0,
-};
-
 pub const QueryBestSizeReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4385,14 +3392,6 @@ pub const QueryExtensionCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const QueryExtensionRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    name_len: u16 = 0,
-    pad1: [2]u8 = @splat(0),
-};
-
 pub const QueryExtensionReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4408,12 +3407,6 @@ pub const ListExtensionsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const ListExtensionsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const ListExtensionsReply = extern struct {
     response_type: u8 = 0,
     names_len: u8 = 0,
@@ -4425,31 +3418,10 @@ pub const ListExtensionsReply = extern struct {
     pub const namesIterator = import.xcb_list_extensions_names_iterator;
 };
 
-pub const ChangeKeyboardMappingRequest = extern struct {
-    major_opcode: u8 = 0,
-    keycode_count: u8 = 0,
-    length: u16 = 0,
-    first_keycode: Keycode = @enumFromInt(0),
-    keysyms_per_keycode: u8 = 0,
-    pad0: [2]u8 = @splat(0),
-
-    pub const keysyms = import.xcb_change_keyboard_mapping_keysyms;
-    pub const keysymsLength = import.xcb_change_keyboard_mapping_keysyms_length;
-    pub const keysymsEnd = import.xcb_change_keyboard_mapping_keysyms_end;
-};
-
 pub const GetKeyboardMappingCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetKeyboardMappingRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    first_keycode: Keycode = @enumFromInt(0),
-    count: u8 = 0,
-};
-
 pub const GetKeyboardMappingReply = extern struct {
     response_type: u8 = 0,
     keysyms_per_keycode: u8 = 0,
@@ -4498,25 +3470,10 @@ pub const ChangeKeyboardControlValueList = extern struct {
     auto_repeat_mode: u32 = 0,
 };
 
-pub const ChangeKeyboardControlRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    value_mask: u32 = 0,
-
-    pub const valueList = import.xcb_change_keyboard_control_value_list;
-};
-
 pub const GetKeyboardControlCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetKeyboardControlRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const GetKeyboardControlReply = extern struct {
     response_type: u8 = 0,
     global_auto_repeat: u8 = 0,
@@ -4531,33 +3488,10 @@ pub const GetKeyboardControlReply = extern struct {
     auto_repeats: [32]u8 = @splat(0),
 };
 
-pub const BellRequest = extern struct {
-    major_opcode: u8 = 0,
-    percent: i8 = 0,
-    length: u16 = 0,
-};
-
-pub const ChangePointerControlRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    acceleration_numerator: i16 = 0,
-    acceleration_denominator: i16 = 0,
-    threshold: i16 = 0,
-    do_acceleration: u8 = 0,
-    do_threshold: u8 = 0,
-};
-
 pub const GetPointerControlCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetPointerControlRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const GetPointerControlReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4583,26 +3517,10 @@ pub const Exposures = enum(c_uint) {
     _,
 };
 
-pub const SetScreenSaverRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    timeout: i16 = 0,
-    interval: i16 = 0,
-    prefer_blanking: u8 = 0,
-    allow_exposures: u8 = 0,
-};
-
 pub const GetScreenSaverCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetScreenSaverRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const GetScreenSaverReply = extern struct {
     response_type: u8 = 0,
     pad0: u8 = 0,
@@ -4630,19 +3548,6 @@ pub const Family = enum(c_uint) {
     _,
 };
 
-pub const ChangeHostsRequest = extern struct {
-    major_opcode: u8 = 0,
-    mode: u8 = 0,
-    length: u16 = 0,
-    family: u8 = 0,
-    pad0: u8 = 0,
-    address_len: u16 = 0,
-
-    pub const address = import.xcb_change_hosts_address;
-    pub const addressLength = import.xcb_change_hosts_address_length;
-    pub const addressEnd = import.xcb_change_hosts_address_end;
-};
-
 pub const Host = extern struct {
     family: u8 = 0,
     pad0: u8 = 0,
@@ -4666,12 +3571,6 @@ pub const ListHostsCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const ListHostsRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const ListHostsReply = extern struct {
     response_type: u8 = 0,
     mode: u8 = 0,
@@ -4690,12 +3589,6 @@ pub const AccessControl = enum(c_uint) {
     _,
 };
 
-pub const SetAccessControlRequest = extern struct {
-    major_opcode: u8 = 0,
-    mode: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const CloseDown = enum(c_uint) {
     DESTROY_ALL = 0,
     RETAIN_PERMANENT = 1,
@@ -4703,46 +3596,14 @@ pub const CloseDown = enum(c_uint) {
     _,
 };
 
-pub const SetCloseDownModeRequest = extern struct {
-    major_opcode: u8 = 0,
-    mode: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const KILL_ALL_TEMPORARY = 0;
 
-pub const KillClientRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    resource: u32 = 0,
-};
-
-pub const RotatePropertiesRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-    window: Window = .NONE,
-    atoms_len: u16 = 0,
-    delta: i16 = 0,
-
-    pub const atoms = import.xcb_rotate_properties_atoms;
-    pub const atomsLength = import.xcb_rotate_properties_atoms_length;
-    pub const atomsEnd = import.xcb_rotate_properties_atoms_end;
-};
-
 pub const ScreenSaver = enum(c_uint) {
     RESET = 0,
     ACTIVE = 1,
     _,
 };
 
-pub const ForceScreenSaverRequest = extern struct {
-    major_opcode: u8 = 0,
-    mode: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const MappingStatus = enum(c_uint) {
     SUCCESS = 0,
     BUSY = 1,
@@ -4754,12 +3615,6 @@ pub const SetPointerMappingCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const SetPointerMappingRequest = extern struct {
-    major_opcode: u8 = 0,
-    map_len: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const SetPointerMappingReply = extern struct {
     response_type: u8 = 0,
     status: u8 = 0,
@@ -4771,12 +3626,6 @@ pub const GetPointerMappingCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetPointerMappingRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const GetPointerMappingReply = extern struct {
     response_type: u8 = 0,
     map_len: u8 = 0,
@@ -4805,12 +3654,6 @@ pub const SetModifierMappingCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const SetModifierMappingRequest = extern struct {
-    major_opcode: u8 = 0,
-    keycodes_per_modifier: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const SetModifierMappingReply = extern struct {
     response_type: u8 = 0,
     status: u8 = 0,
@@ -4822,12 +3665,6 @@ pub const GetModifierMappingCookie = extern struct {
     sequence: c_uint = 0,
 };
 
-pub const GetModifierMappingRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const GetModifierMappingReply = extern struct {
     response_type: u8 = 0,
     keycodes_per_modifier: u8 = 0,
@@ -4840,12 +3677,6 @@ pub const GetModifierMappingReply = extern struct {
     pub const keycodesEnd = import.xcb_get_modifier_mapping_keycodes_end;
 };
 
-pub const NoOperationRequest = extern struct {
-    major_opcode: u8 = 0,
-    pad0: u8 = 0,
-    length: u16 = 0,
-};
-
 pub const AuthInfo = extern struct {
     namelen: c_int = 0,
     name: [*c]u8 = null,
@@ -5092,39 +3923,25 @@ pub const import = struct {
     pub extern fn xcb_format_end(i: FormatIterator) GenericIterator;
     pub extern fn xcb_visualtype_next(i: *VisualtypeIterator) void;
     pub extern fn xcb_visualtype_end(i: VisualtypeIterator) GenericIterator;
-    pub extern fn xcb_depth_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_depth_visuals(R: *const Depth) [*c]Visualtype;
     pub extern fn xcb_depth_visuals_length(R: *const Depth) c_int;
     pub extern fn xcb_depth_visuals_iterator(R: *const Depth) VisualtypeIterator;
     pub extern fn xcb_depth_next(i: *DepthIterator) void;
     pub extern fn xcb_depth_end(i: DepthIterator) GenericIterator;
-    pub extern fn xcb_screen_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_screen_allowed_depths_length(R: *const Screen) c_int;
     pub extern fn xcb_screen_allowed_depths_iterator(R: *const Screen) DepthIterator;
     pub extern fn xcb_screen_next(i: *ScreenIterator) void;
     pub extern fn xcb_screen_end(i: ScreenIterator) GenericIterator;
-    pub extern fn xcb_setup_request_sizeof(_buffer: ?*const anyopaque) c_int;
-    pub extern fn xcb_setup_request_authorization_protocol_name(R: *const SetupRequest) [*c]u8;
-    pub extern fn xcb_setup_request_authorization_protocol_name_length(R: *const SetupRequest) c_int;
-    pub extern fn xcb_setup_request_authorization_protocol_name_end(R: *const SetupRequest) GenericIterator;
-    pub extern fn xcb_setup_request_authorization_protocol_data(R: *const SetupRequest) [*c]u8;
-    pub extern fn xcb_setup_request_authorization_protocol_data_length(R: *const SetupRequest) c_int;
-    pub extern fn xcb_setup_request_authorization_protocol_data_end(R: *const SetupRequest) GenericIterator;
-    pub extern fn xcb_setup_request_next(i: *SetupRequestIterator) void;
-    pub extern fn xcb_setup_request_end(i: SetupRequestIterator) GenericIterator;
-    pub extern fn xcb_setup_failed_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_setup_failed_reason(R: *const SetupFailed) [*c]u8;
     pub extern fn xcb_setup_failed_reason_length(R: *const SetupFailed) c_int;
     pub extern fn xcb_setup_failed_reason_end(R: *const SetupFailed) GenericIterator;
     pub extern fn xcb_setup_failed_next(i: *SetupFailedIterator) void;
     pub extern fn xcb_setup_failed_end(i: SetupFailedIterator) GenericIterator;
-    pub extern fn xcb_setup_authenticate_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_setup_authenticate_reason(R: *const SetupAuthenticate) [*c]u8;
     pub extern fn xcb_setup_authenticate_reason_length(R: *const SetupAuthenticate) c_int;
     pub extern fn xcb_setup_authenticate_reason_end(R: *const SetupAuthenticate) GenericIterator;
     pub extern fn xcb_setup_authenticate_next(i: *SetupAuthenticateIterator) void;
     pub extern fn xcb_setup_authenticate_end(i: SetupAuthenticateIterator) GenericIterator;
-    pub extern fn xcb_setup_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_setup_vendor(R: *const Setup) [*c]u8;
     pub extern fn xcb_setup_vendor_length(R: *const Setup) c_int;
     pub extern fn xcb_setup_vendor_end(R: *const Setup) GenericIterator;
@@ -5137,24 +3954,14 @@ pub const import = struct {
     pub extern fn xcb_setup_end(i: SetupIterator) GenericIterator;
     pub extern fn xcb_client_message_data_next(i: *ClientMessageDataIterator) void;
     pub extern fn xcb_client_message_data_end(i: ClientMessageDataIterator) GenericIterator;
-    pub extern fn xcb_create_window_value_list_serialize(_buffer: [*c]?*anyopaque, value_mask: u32, _aux: [*c]const CreateWindowValueList) c_int;
-    pub extern fn xcb_create_window_value_list_unpack(_buffer: ?*const anyopaque, value_mask: u32, _aux: [*c]CreateWindowValueList) c_int;
-    pub extern fn xcb_create_window_value_list_sizeof(_buffer: ?*const anyopaque, value_mask: u32) c_int;
-    pub extern fn xcb_create_window_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_create_window_checked(c: *Connection, depth: u8, wid: Window, parent: Window, x: i16, y: i16, width: u16, height: u16, border_width: u16, _class: WindowClass, visual: Visualid, value_mask: Cw, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_create_window(c: *Connection, depth: u8, wid: Window, parent: Window, x: i16, y: i16, width: u16, height: u16, border_width: u16, _class: WindowClass, visual: Visualid, value_mask: Cw, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_create_window_aux_checked(c: *Connection, depth: u8, wid: Window, parent: Window, x: i16, y: i16, width: u16, height: u16, border_width: u16, _class: WindowClass, visual: Visualid, value_mask: Cw, value_list: *const CreateWindowValueList) VoidCookie;
     pub extern fn xcb_create_window_aux(c: *Connection, depth: u8, wid: Window, parent: Window, x: i16, y: i16, width: u16, height: u16, border_width: u16, _class: WindowClass, visual: Visualid, value_mask: Cw, value_list: *const CreateWindowValueList) VoidCookie;
-    pub extern fn xcb_create_window_value_list(R: *const CreateWindowRequest) ?*anyopaque;
-    pub extern fn xcb_change_window_attributes_value_list_serialize(_buffer: [*c]?*anyopaque, value_mask: u32, _aux: [*c]const ChangeWindowAttributesValueList) c_int;
-    pub extern fn xcb_change_window_attributes_value_list_unpack(_buffer: ?*const anyopaque, value_mask: u32, _aux: [*c]ChangeWindowAttributesValueList) c_int;
-    pub extern fn xcb_change_window_attributes_value_list_sizeof(_buffer: ?*const anyopaque, value_mask: u32) c_int;
-    pub extern fn xcb_change_window_attributes_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_change_window_attributes_checked(c: *Connection, window: Window, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_change_window_attributes(c: *Connection, window: Window, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_change_window_attributes_aux_checked(c: *Connection, window: Window, value_mask: u32, value_list: [*c]const ChangeWindowAttributesValueList) VoidCookie;
     pub extern fn xcb_change_window_attributes_aux(c: *Connection, window: Window, value_mask: u32, value_list: [*c]const ChangeWindowAttributesValueList) VoidCookie;
-    pub extern fn xcb_change_window_attributes_value_list(R: *const ChangeWindowAttributesRequest) ?*anyopaque;
     pub extern fn xcb_get_window_attributes(c: *Connection, window: Window) GetWindowAttributesCookie;
     pub extern fn xcb_get_window_attributes_unchecked(c: *Connection, window: Window) GetWindowAttributesCookie;
     pub extern fn xcb_get_window_attributes_reply(c: *Connection, cookie: GetWindowAttributesCookie, e: ?*?*GenericError) ?*GetWindowAttributesReply;
@@ -5174,54 +3981,40 @@ pub const import = struct {
     pub extern fn xcb_unmap_window(c: *Connection, window: Window) VoidCookie;
     pub extern fn xcb_unmap_subwindows_checked(c: *Connection, window: Window) VoidCookie;
     pub extern fn xcb_unmap_subwindows(c: *Connection, window: Window) VoidCookie;
-    pub extern fn xcb_configure_window_value_list_serialize(_buffer: [*c]?*anyopaque, value_mask: u16, _aux: [*c]const ConfigureWindowValueList) c_int;
-    pub extern fn xcb_configure_window_value_list_unpack(_buffer: ?*const anyopaque, value_mask: u16, _aux: [*c]ConfigureWindowValueList) c_int;
-    pub extern fn xcb_configure_window_value_list_sizeof(_buffer: ?*const anyopaque, value_mask: u16) c_int;
-    pub extern fn xcb_configure_window_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_configure_window_checked(c: *Connection, window: Window, value_mask: u16, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_configure_window(c: *Connection, window: Window, value_mask: u16, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_configure_window_aux_checked(c: *Connection, window: Window, value_mask: u16, value_list: [*c]const ConfigureWindowValueList) VoidCookie;
     pub extern fn xcb_configure_window_aux(c: *Connection, window: Window, value_mask: u16, value_list: [*c]const ConfigureWindowValueList) VoidCookie;
-    pub extern fn xcb_configure_window_value_list(R: *const ConfigureWindowRequest) ?*anyopaque;
     pub extern fn xcb_circulate_window_checked(c: *Connection, direction: u8, window: Window) VoidCookie;
     pub extern fn xcb_circulate_window(c: *Connection, direction: u8, window: Window) VoidCookie;
     pub extern fn xcb_get_geometry(c: *Connection, drawable: Drawable) GetGeometryCookie;
     pub extern fn xcb_get_geometry_unchecked(c: *Connection, drawable: Drawable) GetGeometryCookie;
     pub extern fn xcb_get_geometry_reply(c: *Connection, cookie: GetGeometryCookie, e: ?*?*GenericError) ?*GetGeometryReply;
-    pub extern fn xcb_query_tree_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_query_tree(c: *Connection, window: Window) QueryTreeCookie;
     pub extern fn xcb_query_tree_unchecked(c: *Connection, window: Window) QueryTreeCookie;
     pub extern fn xcb_query_tree_children(R: *const QueryTreeReply) [*c]Window;
     pub extern fn xcb_query_tree_children_length(R: *const QueryTreeReply) c_int;
     pub extern fn xcb_query_tree_children_end(R: *const QueryTreeReply) GenericIterator;
     pub extern fn xcb_query_tree_reply(c: *Connection, cookie: QueryTreeCookie, e: ?*?*GenericError) ?*QueryTreeReply;
-    pub extern fn xcb_intern_atom_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_intern_atom(c: *Connection, only_if_exists: u8, name_len: u16, name: [*]const u8) InternAtomCookie;
     pub extern fn xcb_intern_atom_unchecked(c: *Connection, only_if_exists: u8, name_len: u16, name: [*]const u8) InternAtomCookie;
     pub extern fn xcb_intern_atom_reply(c: *Connection, cookie: InternAtomCookie, e: ?*?*GenericError) ?*InternAtomReply;
-    pub extern fn xcb_get_atom_name_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_atom_name(c: *Connection, atom: Atom) GetAtomNameCookie;
     pub extern fn xcb_get_atom_name_unchecked(c: *Connection, atom: Atom) GetAtomNameCookie;
     pub extern fn xcb_get_atom_name_name(R: *const GetAtomNameReply) [*c]u8;
     pub extern fn xcb_get_atom_name_name_length(R: *const GetAtomNameReply) c_int;
     pub extern fn xcb_get_atom_name_name_end(R: *const GetAtomNameReply) GenericIterator;
     pub extern fn xcb_get_atom_name_reply(c: *Connection, cookie: GetAtomNameCookie, e: ?*?*GenericError) ?*GetAtomNameReply;
-    pub extern fn xcb_change_property_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_change_property_checked(c: *Connection, mode: PropMode, window: Window, property: Atom, @"type": Atom, format: u8, data_len: u32, data: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_change_property(c: *Connection, mode: PropMode, window: Window, property: Atom, @"type": Atom, format: u8, data_len: u32, data: ?*const anyopaque) VoidCookie;
-    pub extern fn xcb_change_property_data(R: *const ChangePropertyRequest) ?*anyopaque;
-    pub extern fn xcb_change_property_data_length(R: *const ChangePropertyRequest) c_int;
-    pub extern fn xcb_change_property_data_end(R: *const ChangePropertyRequest) GenericIterator;
     pub extern fn xcb_delete_property_checked(c: *Connection, window: Window, property: Atom) VoidCookie;
     pub extern fn xcb_delete_property(c: *Connection, window: Window, property: Atom) VoidCookie;
-    pub extern fn xcb_get_property_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_property(c: *Connection, _delete: u8, window: Window, property: Atom, @"type": Atom, long_offset: u32, long_length: u32) GetPropertyCookie;
     pub extern fn xcb_get_property_unchecked(c: *Connection, _delete: u8, window: Window, property: Atom, @"type": Atom, long_offset: u32, long_length: u32) GetPropertyCookie;
     pub extern fn xcb_get_property_value(R: *const GetPropertyReply) ?*anyopaque;
     pub extern fn xcb_get_property_value_length(R: *const GetPropertyReply) c_int;
     pub extern fn xcb_get_property_value_end(R: *const GetPropertyReply) GenericIterator;
     pub extern fn xcb_get_property_reply(c: *Connection, cookie: GetPropertyCookie, e: ?*?*GenericError) ?*GetPropertyReply;
-    pub extern fn xcb_list_properties_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_list_properties(c: *Connection, window: Window) ListPropertiesCookie;
     pub extern fn xcb_list_properties_unchecked(c: *Connection, window: Window) ListPropertiesCookie;
     pub extern fn xcb_list_properties_atoms(R: *const ListPropertiesReply) [*c]Atom;
@@ -5268,7 +4061,6 @@ pub const import = struct {
     pub extern fn xcb_query_pointer_reply(c: *Connection, cookie: QueryPointerCookie, e: ?*?*GenericError) ?*QueryPointerReply;
     pub extern fn xcb_timecoord_next(i: *TimecoordIterator) void;
     pub extern fn xcb_timecoord_end(i: TimecoordIterator) GenericIterator;
-    pub extern fn xcb_get_motion_events_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_motion_events(c: *Connection, window: Window, start: Timestamp, stop: Timestamp) GetMotionEventsCookie;
     pub extern fn xcb_get_motion_events_unchecked(c: *Connection, window: Window, start: Timestamp, stop: Timestamp) GetMotionEventsCookie;
     pub extern fn xcb_get_motion_events_events(R: *const GetMotionEventsReply) [*c]Timecoord;
@@ -5288,19 +4080,14 @@ pub const import = struct {
     pub extern fn xcb_query_keymap(c: *Connection) QueryKeymapCookie;
     pub extern fn xcb_query_keymap_unchecked(c: *Connection) QueryKeymapCookie;
     pub extern fn xcb_query_keymap_reply(c: *Connection, cookie: QueryKeymapCookie, e: ?*?*GenericError) ?*QueryKeymapReply;
-    pub extern fn xcb_open_font_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_open_font_checked(c: *Connection, fid: Font, name_len: u16, name: [*c]const u8) VoidCookie;
     pub extern fn xcb_open_font(c: *Connection, fid: Font, name_len: u16, name: [*c]const u8) VoidCookie;
-    pub extern fn xcb_open_font_name(R: *const OpenFontRequest) [*c]u8;
-    pub extern fn xcb_open_font_name_length(R: *const OpenFontRequest) c_int;
-    pub extern fn xcb_open_font_name_end(R: *const OpenFontRequest) GenericIterator;
     pub extern fn xcb_close_font_checked(c: *Connection, font: Font) VoidCookie;
     pub extern fn xcb_close_font(c: *Connection, font: Font) VoidCookie;
     pub extern fn xcb_fontprop_next(i: *FontpropIterator) void;
     pub extern fn xcb_fontprop_end(i: FontpropIterator) GenericIterator;
     pub extern fn xcb_charinfo_next(i: *CharinfoIterator) void;
     pub extern fn xcb_charinfo_end(i: CharinfoIterator) GenericIterator;
-    pub extern fn xcb_query_font_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_query_font(c: *Connection, font: Fontable) QueryFontCookie;
     pub extern fn xcb_query_font_unchecked(c: *Connection, font: Fontable) QueryFontCookie;
     pub extern fn xcb_query_font_properties(R: *const QueryFontReply) [*c]Fontprop;
@@ -5310,23 +4097,19 @@ pub const import = struct {
     pub extern fn xcb_query_font_char_infos_length(R: *const QueryFontReply) c_int;
     pub extern fn xcb_query_font_char_infos_iterator(R: *const QueryFontReply) CharinfoIterator;
     pub extern fn xcb_query_font_reply(c: *Connection, cookie: QueryFontCookie, e: ?*?*GenericError) ?*QueryFontReply;
-    pub extern fn xcb_query_text_extents_sizeof(_buffer: ?*const anyopaque, string_len: u32) c_int;
     pub extern fn xcb_query_text_extents(c: *Connection, font: Fontable, string_len: u32, string: [*c]const Char2B) QueryTextExtentsCookie;
     pub extern fn xcb_query_text_extents_unchecked(c: *Connection, font: Fontable, string_len: u32, string: [*c]const Char2B) QueryTextExtentsCookie;
     pub extern fn xcb_query_text_extents_reply(c: *Connection, cookie: QueryTextExtentsCookie, e: ?*?*GenericError) ?*QueryTextExtentsReply;
-    pub extern fn xcb_str_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_str_name(R: *const Str) [*c]u8;
     pub extern fn xcb_str_name_length(R: *const Str) c_int;
     pub extern fn xcb_str_name_end(R: *const Str) GenericIterator;
     pub extern fn xcb_str_next(i: *StrIterator) void;
     pub extern fn xcb_str_end(i: StrIterator) GenericIterator;
-    pub extern fn xcb_list_fonts_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_list_fonts(c: *Connection, max_names: u16, pattern_len: u16, pattern: [*c]const u8) ListFontsCookie;
     pub extern fn xcb_list_fonts_unchecked(c: *Connection, max_names: u16, pattern_len: u16, pattern: [*c]const u8) ListFontsCookie;
     pub extern fn xcb_list_fonts_names_length(R: *const ListFontsReply) c_int;
     pub extern fn xcb_list_fonts_names_iterator(R: *const ListFontsReply) StrIterator;
     pub extern fn xcb_list_fonts_reply(c: *Connection, cookie: ListFontsCookie, e: ?*?*GenericError) ?*ListFontsReply;
-    pub extern fn xcb_list_fonts_with_info_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_list_fonts_with_info(c: *Connection, max_names: u16, pattern_len: u16, pattern: [*c]const u8) ListFontsWithInfoCookie;
     pub extern fn xcb_list_fonts_with_info_unchecked(c: *Connection, max_names: u16, pattern_len: u16, pattern: [*c]const u8) ListFontsWithInfoCookie;
     pub extern fn xcb_list_fonts_with_info_properties(R: *const ListFontsWithInfoReply) [*c]Fontprop;
@@ -5336,12 +4119,8 @@ pub const import = struct {
     pub extern fn xcb_list_fonts_with_info_name_length(R: *const ListFontsWithInfoReply) c_int;
     pub extern fn xcb_list_fonts_with_info_name_end(R: *const ListFontsWithInfoReply) GenericIterator;
     pub extern fn xcb_list_fonts_with_info_reply(c: *Connection, cookie: ListFontsWithInfoCookie, e: ?*?*GenericError) ?*ListFontsWithInfoReply;
-    pub extern fn xcb_set_font_path_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_set_font_path_checked(c: *Connection, font_qty: u16, font: [*c]const Str) VoidCookie;
     pub extern fn xcb_set_font_path(c: *Connection, font_qty: u16, font: [*c]const Str) VoidCookie;
-    pub extern fn xcb_set_font_path_font_length(R: *const SetFontPathRequest) c_int;
-    pub extern fn xcb_set_font_path_font_iterator(R: *const SetFontPathRequest) StrIterator;
-    pub extern fn xcb_get_font_path_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_font_path(c: *Connection) GetFontPathCookie;
     pub extern fn xcb_get_font_path_unchecked(c: *Connection) GetFontPathCookie;
     pub extern fn xcb_get_font_path_path_length(R: *const GetFontPathReply) c_int;
@@ -5351,38 +4130,20 @@ pub const import = struct {
     pub extern fn xcb_create_pixmap(c: *Connection, depth: u8, pid: Pixmap, drawable: Drawable, width: u16, height: u16) VoidCookie;
     pub extern fn xcb_free_pixmap_checked(c: *Connection, pixmap: Pixmap) VoidCookie;
     pub extern fn xcb_free_pixmap(c: *Connection, pixmap: Pixmap) VoidCookie;
-    pub extern fn xcb_create_gc_value_list_serialize(_buffer: [*c]?*anyopaque, value_mask: u32, _aux: [*c]const CreateGcValueList) c_int;
-    pub extern fn xcb_create_gc_value_list_unpack(_buffer: ?*const anyopaque, value_mask: u32, _aux: [*c]CreateGcValueList) c_int;
-    pub extern fn xcb_create_gc_value_list_sizeof(_buffer: ?*const anyopaque, value_mask: u32) c_int;
-    pub extern fn xcb_create_gc_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_create_gc_checked(c: *Connection, cid: Gcontext, drawable: Drawable, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_create_gc(c: *Connection, cid: Gcontext, drawable: Drawable, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_create_gc_aux_checked(c: *Connection, cid: Gcontext, drawable: Drawable, value_mask: u32, value_list: [*c]const CreateGcValueList) VoidCookie;
     pub extern fn xcb_create_gc_aux(c: *Connection, cid: Gcontext, drawable: Drawable, value_mask: u32, value_list: [*c]const CreateGcValueList) VoidCookie;
-    pub extern fn xcb_create_gc_value_list(R: *const CreateGcRequest) ?*anyopaque;
-    pub extern fn xcb_change_gc_value_list_serialize(_buffer: [*c]?*anyopaque, value_mask: u32, _aux: [*c]const ChangeGcValueList) c_int;
-    pub extern fn xcb_change_gc_value_list_unpack(_buffer: ?*const anyopaque, value_mask: u32, _aux: [*c]ChangeGcValueList) c_int;
-    pub extern fn xcb_change_gc_value_list_sizeof(_buffer: ?*const anyopaque, value_mask: u32) c_int;
-    pub extern fn xcb_change_gc_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_change_gc_checked(c: *Connection, gc: Gcontext, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_change_gc(c: *Connection, gc: Gcontext, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_change_gc_aux_checked(c: *Connection, gc: Gcontext, value_mask: u32, value_list: [*c]const ChangeGcValueList) VoidCookie;
     pub extern fn xcb_change_gc_aux(c: *Connection, gc: Gcontext, value_mask: u32, value_list: [*c]const ChangeGcValueList) VoidCookie;
-    pub extern fn xcb_change_gc_value_list(R: *const ChangeGcRequest) ?*anyopaque;
     pub extern fn xcb_copy_gc_checked(c: *Connection, src_gc: Gcontext, dst_gc: Gcontext, value_mask: u32) VoidCookie;
     pub extern fn xcb_copy_gc(c: *Connection, src_gc: Gcontext, dst_gc: Gcontext, value_mask: u32) VoidCookie;
-    pub extern fn xcb_set_dashes_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_set_dashes_checked(c: *Connection, gc: Gcontext, dash_offset: u16, dashes_len: u16, dashes: [*c]const u8) VoidCookie;
     pub extern fn xcb_set_dashes(c: *Connection, gc: Gcontext, dash_offset: u16, dashes_len: u16, dashes: [*c]const u8) VoidCookie;
-    pub extern fn xcb_set_dashes_dashes(R: *const SetDashesRequest) [*c]u8;
-    pub extern fn xcb_set_dashes_dashes_length(R: *const SetDashesRequest) c_int;
-    pub extern fn xcb_set_dashes_dashes_end(R: *const SetDashesRequest) GenericIterator;
-    pub extern fn xcb_set_clip_rectangles_sizeof(_buffer: ?*const anyopaque, rectangles_len: u32) c_int;
     pub extern fn xcb_set_clip_rectangles_checked(c: *Connection, ordering: u8, gc: Gcontext, clip_x_origin: i16, clip_y_origin: i16, rectangles_len: u32, rectangles: [*c]const Rectangle) VoidCookie;
     pub extern fn xcb_set_clip_rectangles(c: *Connection, ordering: u8, gc: Gcontext, clip_x_origin: i16, clip_y_origin: i16, rectangles_len: u32, rectangles: [*c]const Rectangle) VoidCookie;
-    pub extern fn xcb_set_clip_rectangles_rectangles(R: *const SetClipRectanglesRequest) [*c]Rectangle;
-    pub extern fn xcb_set_clip_rectangles_rectangles_length(R: *const SetClipRectanglesRequest) c_int;
-    pub extern fn xcb_set_clip_rectangles_rectangles_iterator(R: *const SetClipRectanglesRequest) RectangleIterator;
     pub extern fn xcb_free_gc_checked(c: *Connection, gc: Gcontext) VoidCookie;
     pub extern fn xcb_free_gc(c: *Connection, gc: Gcontext) VoidCookie;
     pub extern fn xcb_clear_area_checked(c: *Connection, exposures: u8, window: Window, x: i16, y: i16, width: u16, height: u16) VoidCookie;
@@ -5391,93 +4152,40 @@ pub const import = struct {
     pub extern fn xcb_copy_area(c: *Connection, src_drawable: Drawable, dst_drawable: Drawable, gc: Gcontext, src_x: i16, src_y: i16, dst_x: i16, dst_y: i16, width: u16, height: u16) VoidCookie;
     pub extern fn xcb_copy_plane_checked(c: *Connection, src_drawable: Drawable, dst_drawable: Drawable, gc: Gcontext, src_x: i16, src_y: i16, dst_x: i16, dst_y: i16, width: u16, height: u16, bit_plane: u32) VoidCookie;
     pub extern fn xcb_copy_plane(c: *Connection, src_drawable: Drawable, dst_drawable: Drawable, gc: Gcontext, src_x: i16, src_y: i16, dst_x: i16, dst_y: i16, width: u16, height: u16, bit_plane: u32) VoidCookie;
-    pub extern fn xcb_poly_point_sizeof(_buffer: ?*const anyopaque, points_len: u32) c_int;
     pub extern fn xcb_poly_point_checked(c: *Connection, coordinate_mode: u8, drawable: Drawable, gc: Gcontext, points_len: u32, points: [*c]const Point) VoidCookie;
     pub extern fn xcb_poly_point(c: *Connection, coordinate_mode: u8, drawable: Drawable, gc: Gcontext, points_len: u32, points: [*c]const Point) VoidCookie;
-    pub extern fn xcb_poly_point_points(R: *const PolyPointRequest) [*c]Point;
-    pub extern fn xcb_poly_point_points_length(R: *const PolyPointRequest) c_int;
-    pub extern fn xcb_poly_point_points_iterator(R: *const PolyPointRequest) PointIterator;
-    pub extern fn xcb_poly_line_sizeof(_buffer: ?*const anyopaque, points_len: u32) c_int;
     pub extern fn xcb_poly_line_checked(c: *Connection, coordinate_mode: u8, drawable: Drawable, gc: Gcontext, points_len: u32, points: [*c]const Point) VoidCookie;
     pub extern fn xcb_poly_line(c: *Connection, coordinate_mode: u8, drawable: Drawable, gc: Gcontext, points_len: u32, points: [*c]const Point) VoidCookie;
-    pub extern fn xcb_poly_line_points(R: *const PolyLineRequest) [*c]Point;
-    pub extern fn xcb_poly_line_points_length(R: *const PolyLineRequest) c_int;
-    pub extern fn xcb_poly_line_points_iterator(R: *const PolyLineRequest) PointIterator;
     pub extern fn xcb_segment_next(i: *SegmentIterator) void;
     pub extern fn xcb_segment_end(i: SegmentIterator) GenericIterator;
-    pub extern fn xcb_poly_segment_sizeof(_buffer: ?*const anyopaque, segments_len: u32) c_int;
     pub extern fn xcb_poly_segment_checked(c: *Connection, drawable: Drawable, gc: Gcontext, segments_len: u32, segments: [*c]const Segment) VoidCookie;
     pub extern fn xcb_poly_segment(c: *Connection, drawable: Drawable, gc: Gcontext, segments_len: u32, segments: [*c]const Segment) VoidCookie;
-    pub extern fn xcb_poly_segment_segments(R: *const PolySegmentRequest) [*c]Segment;
-    pub extern fn xcb_poly_segment_segments_length(R: *const PolySegmentRequest) c_int;
-    pub extern fn xcb_poly_segment_segments_iterator(R: *const PolySegmentRequest) SegmentIterator;
-    pub extern fn xcb_poly_rectangle_sizeof(_buffer: ?*const anyopaque, rectangles_len: u32) c_int;
     pub extern fn xcb_poly_rectangle_checked(c: *Connection, drawable: Drawable, gc: Gcontext, rectangles_len: u32, rectangles: [*c]const Rectangle) VoidCookie;
     pub extern fn xcb_poly_rectangle(c: *Connection, drawable: Drawable, gc: Gcontext, rectangles_len: u32, rectangles: [*c]const Rectangle) VoidCookie;
-    pub extern fn xcb_poly_rectangle_rectangles(R: *const PolyRectangleRequest) [*c]Rectangle;
-    pub extern fn xcb_poly_rectangle_rectangles_length(R: *const PolyRectangleRequest) c_int;
-    pub extern fn xcb_poly_rectangle_rectangles_iterator(R: *const PolyRectangleRequest) RectangleIterator;
-    pub extern fn xcb_poly_arc_sizeof(_buffer: ?*const anyopaque, arcs_len: u32) c_int;
     pub extern fn xcb_poly_arc_checked(c: *Connection, drawable: Drawable, gc: Gcontext, arcs_len: u32, arcs: [*c]const Arc) VoidCookie;
     pub extern fn xcb_poly_arc(c: *Connection, drawable: Drawable, gc: Gcontext, arcs_len: u32, arcs: [*c]const Arc) VoidCookie;
-    pub extern fn xcb_poly_arc_arcs(R: *const PolyArcRequest) [*c]Arc;
-    pub extern fn xcb_poly_arc_arcs_length(R: *const PolyArcRequest) c_int;
-    pub extern fn xcb_poly_arc_arcs_iterator(R: *const PolyArcRequest) ArcIterator;
-    pub extern fn xcb_fill_poly_sizeof(_buffer: ?*const anyopaque, points_len: u32) c_int;
     pub extern fn xcb_fill_poly_checked(c: *Connection, drawable: Drawable, gc: Gcontext, shape: u8, coordinate_mode: u8, points_len: u32, points: [*c]const Point) VoidCookie;
     pub extern fn xcb_fill_poly(c: *Connection, drawable: Drawable, gc: Gcontext, shape: u8, coordinate_mode: u8, points_len: u32, points: [*c]const Point) VoidCookie;
-    pub extern fn xcb_fill_poly_points(R: *const FillPolyRequest) [*c]Point;
-    pub extern fn xcb_fill_poly_points_length(R: *const FillPolyRequest) c_int;
-    pub extern fn xcb_fill_poly_points_iterator(R: *const FillPolyRequest) PointIterator;
-    pub extern fn xcb_poly_fill_rectangle_sizeof(_buffer: ?*const anyopaque, rectangles_len: u32) c_int;
     pub extern fn xcb_poly_fill_rectangle_checked(c: *Connection, drawable: Drawable, gc: Gcontext, rectangles_len: u32, rectangles: [*c]const Rectangle) VoidCookie;
     pub extern fn xcb_poly_fill_rectangle(c: *Connection, drawable: Drawable, gc: Gcontext, rectangles_len: u32, rectangles: [*c]const Rectangle) VoidCookie;
-    pub extern fn xcb_poly_fill_rectangle_rectangles(R: *const PolyFillRectangleRequest) [*c]Rectangle;
-    pub extern fn xcb_poly_fill_rectangle_rectangles_length(R: *const PolyFillRectangleRequest) c_int;
-    pub extern fn xcb_poly_fill_rectangle_rectangles_iterator(R: *const PolyFillRectangleRequest) RectangleIterator;
-    pub extern fn xcb_poly_fill_arc_sizeof(_buffer: ?*const anyopaque, arcs_len: u32) c_int;
     pub extern fn xcb_poly_fill_arc_checked(c: *Connection, drawable: Drawable, gc: Gcontext, arcs_len: u32, arcs: [*c]const Arc) VoidCookie;
     pub extern fn xcb_poly_fill_arc(c: *Connection, drawable: Drawable, gc: Gcontext, arcs_len: u32, arcs: [*c]const Arc) VoidCookie;
-    pub extern fn xcb_poly_fill_arc_arcs(R: *const PolyFillArcRequest) [*c]Arc;
-    pub extern fn xcb_poly_fill_arc_arcs_length(R: *const PolyFillArcRequest) c_int;
-    pub extern fn xcb_poly_fill_arc_arcs_iterator(R: *const PolyFillArcRequest) ArcIterator;
-    pub extern fn xcb_put_image_sizeof(_buffer: ?*const anyopaque, data_len: u32) c_int;
     pub extern fn xcb_put_image_checked(c: *Connection, format: u8, drawable: Drawable, gc: Gcontext, width: u16, height: u16, dst_x: i16, dst_y: i16, left_pad: u8, depth: u8, data_len: u32, data: [*c]const u8) VoidCookie;
     pub extern fn xcb_put_image(c: *Connection, format: u8, drawable: Drawable, gc: Gcontext, width: u16, height: u16, dst_x: i16, dst_y: i16, left_pad: u8, depth: u8, data_len: u32, data: [*c]const u8) VoidCookie;
-    pub extern fn xcb_put_image_data(R: *const PutImageRequest) [*c]u8;
-    pub extern fn xcb_put_image_data_length(R: *const PutImageRequest) c_int;
-    pub extern fn xcb_put_image_data_end(R: *const PutImageRequest) GenericIterator;
-    pub extern fn xcb_get_image_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_image(c: *Connection, format: u8, drawable: Drawable, x: i16, y: i16, width: u16, height: u16, plane_mask: u32) GetImageCookie;
     pub extern fn xcb_get_image_unchecked(c: *Connection, format: u8, drawable: Drawable, x: i16, y: i16, width: u16, height: u16, plane_mask: u32) GetImageCookie;
     pub extern fn xcb_get_image_data(R: *const GetImageReply) [*c]u8;
     pub extern fn xcb_get_image_data_length(R: *const GetImageReply) c_int;
     pub extern fn xcb_get_image_data_end(R: *const GetImageReply) GenericIterator;
     pub extern fn xcb_get_image_reply(c: *Connection, cookie: GetImageCookie, e: ?*?*GenericError) ?*GetImageReply;
-    pub extern fn xcb_poly_text_8_sizeof(_buffer: ?*const anyopaque, items_len: u32) c_int;
     pub extern fn xcb_poly_text_8_checked(c: *Connection, drawable: Drawable, gc: Gcontext, x: i16, y: i16, items_len: u32, items: [*c]const u8) VoidCookie;
     pub extern fn xcb_poly_text_8(c: *Connection, drawable: Drawable, gc: Gcontext, x: i16, y: i16, items_len: u32, items: [*c]const u8) VoidCookie;
-    pub extern fn xcb_poly_text_8_items(R: *const PolyText8Request) [*c]u8;
-    pub extern fn xcb_poly_text_8_items_length(R: *const PolyText8Request) c_int;
-    pub extern fn xcb_poly_text_8_items_end(R: *const PolyText8Request) GenericIterator;
-    pub extern fn xcb_poly_text_16_sizeof(_buffer: ?*const anyopaque, items_len: u32) c_int;
     pub extern fn xcb_poly_text_16_checked(c: *Connection, drawable: Drawable, gc: Gcontext, x: i16, y: i16, items_len: u32, items: [*c]const u8) VoidCookie;
     pub extern fn xcb_poly_text_16(c: *Connection, drawable: Drawable, gc: Gcontext, x: i16, y: i16, items_len: u32, items: [*c]const u8) VoidCookie;
-    pub extern fn xcb_poly_text_16_items(R: *const PolyText16Request) [*c]u8;
-    pub extern fn xcb_poly_text_16_items_length(R: *const PolyText16Request) c_int;
-    pub extern fn xcb_poly_text_16_items_end(R: *const PolyText16Request) GenericIterator;
-    pub extern fn xcb_image_text_8_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_image_text_8_checked(c: *Connection, string_len: u8, drawable: Drawable, gc: Gcontext, x: i16, y: i16, string: [*c]const u8) VoidCookie;
     pub extern fn xcb_image_text_8(c: *Connection, string_len: u8, drawable: Drawable, gc: Gcontext, x: i16, y: i16, string: [*c]const u8) VoidCookie;
-    pub extern fn xcb_image_text_8_string(R: *const ImageText8Request) [*c]u8;
-    pub extern fn xcb_image_text_8_string_length(R: *const ImageText8Request) c_int;
-    pub extern fn xcb_image_text_8_string_end(R: *const ImageText8Request) GenericIterator;
-    pub extern fn xcb_image_text_16_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_image_text_16_checked(c: *Connection, string_len: u8, drawable: Drawable, gc: Gcontext, x: i16, y: i16, string: [*c]const Char2B) VoidCookie;
     pub extern fn xcb_image_text_16(c: *Connection, string_len: u8, drawable: Drawable, gc: Gcontext, x: i16, y: i16, string: [*c]const Char2B) VoidCookie;
-    pub extern fn xcb_image_text_16_string(R: *const ImageText16Request) [*c]Char2B;
-    pub extern fn xcb_image_text_16_string_length(R: *const ImageText16Request) c_int;
-    pub extern fn xcb_image_text_16_string_iterator(R: *const ImageText16Request) Char2BIterator;
     pub extern fn xcb_create_colormap_checked(c: *Connection, alloc: u8, mid: Colormap, window: Window, visual: Visualid) VoidCookie;
     pub extern fn xcb_create_colormap(c: *Connection, alloc: u8, mid: Colormap, window: Window, visual: Visualid) VoidCookie;
     pub extern fn xcb_free_colormap_checked(c: *Connection, cmap: Colormap) VoidCookie;
@@ -5488,7 +4196,6 @@ pub const import = struct {
     pub extern fn xcb_install_colormap(c: *Connection, cmap: Colormap) VoidCookie;
     pub extern fn xcb_uninstall_colormap_checked(c: *Connection, cmap: Colormap) VoidCookie;
     pub extern fn xcb_uninstall_colormap(c: *Connection, cmap: Colormap) VoidCookie;
-    pub extern fn xcb_list_installed_colormaps_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_list_installed_colormaps(c: *Connection, window: Window) ListInstalledColormapsCookie;
     pub extern fn xcb_list_installed_colormaps_unchecked(c: *Connection, window: Window) ListInstalledColormapsCookie;
     pub extern fn xcb_list_installed_colormaps_cmaps(R: *const ListInstalledColormapsReply) [*c]Colormap;
@@ -5498,11 +4205,9 @@ pub const import = struct {
     pub extern fn xcb_alloc_color(c: *Connection, cmap: Colormap, red: u16, green: u16, blue: u16) AllocColorCookie;
     pub extern fn xcb_alloc_color_unchecked(c: *Connection, cmap: Colormap, red: u16, green: u16, blue: u16) AllocColorCookie;
     pub extern fn xcb_alloc_color_reply(c: *Connection, cookie: AllocColorCookie, e: ?*?*GenericError) ?*AllocColorReply;
-    pub extern fn xcb_alloc_named_color_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_alloc_named_color(c: *Connection, cmap: Colormap, name_len: u16, name: [*c]const u8) AllocNamedColorCookie;
     pub extern fn xcb_alloc_named_color_unchecked(c: *Connection, cmap: Colormap, name_len: u16, name: [*c]const u8) AllocNamedColorCookie;
     pub extern fn xcb_alloc_named_color_reply(c: *Connection, cookie: AllocNamedColorCookie, e: ?*?*GenericError) ?*AllocNamedColorReply;
-    pub extern fn xcb_alloc_color_cells_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_alloc_color_cells(c: *Connection, contiguous: u8, cmap: Colormap, colors: u16, planes: u16) AllocColorCellsCookie;
     pub extern fn xcb_alloc_color_cells_unchecked(c: *Connection, contiguous: u8, cmap: Colormap, colors: u16, planes: u16) AllocColorCellsCookie;
     pub extern fn xcb_alloc_color_cells_pixels(R: *const AllocColorCellsReply) [*c]u32;
@@ -5512,43 +4217,28 @@ pub const import = struct {
     pub extern fn xcb_alloc_color_cells_masks_length(R: *const AllocColorCellsReply) c_int;
     pub extern fn xcb_alloc_color_cells_masks_end(R: *const AllocColorCellsReply) GenericIterator;
     pub extern fn xcb_alloc_color_cells_reply(c: *Connection, cookie: AllocColorCellsCookie, e: ?*?*GenericError) ?*AllocColorCellsReply;
-    pub extern fn xcb_alloc_color_planes_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_alloc_color_planes(c: *Connection, contiguous: u8, cmap: Colormap, colors: u16, reds: u16, greens: u16, blues: u16) AllocColorPlanesCookie;
     pub extern fn xcb_alloc_color_planes_unchecked(c: *Connection, contiguous: u8, cmap: Colormap, colors: u16, reds: u16, greens: u16, blues: u16) AllocColorPlanesCookie;
     pub extern fn xcb_alloc_color_planes_pixels(R: *const AllocColorPlanesReply) [*c]u32;
     pub extern fn xcb_alloc_color_planes_pixels_length(R: *const AllocColorPlanesReply) c_int;
     pub extern fn xcb_alloc_color_planes_pixels_end(R: *const AllocColorPlanesReply) GenericIterator;
     pub extern fn xcb_alloc_color_planes_reply(c: *Connection, cookie: AllocColorPlanesCookie, e: ?*?*GenericError) ?*AllocColorPlanesReply;
-    pub extern fn xcb_free_colors_sizeof(_buffer: ?*const anyopaque, pixels_len: u32) c_int;
     pub extern fn xcb_free_colors_checked(c: *Connection, cmap: Colormap, plane_mask: u32, pixels_len: u32, pixels: [*c]const u32) VoidCookie;
     pub extern fn xcb_free_colors(c: *Connection, cmap: Colormap, plane_mask: u32, pixels_len: u32, pixels: [*c]const u32) VoidCookie;
-    pub extern fn xcb_free_colors_pixels(R: *const FreeColorsRequest) [*c]u32;
-    pub extern fn xcb_free_colors_pixels_length(R: *const FreeColorsRequest) c_int;
-    pub extern fn xcb_free_colors_pixels_end(R: *const FreeColorsRequest) GenericIterator;
     pub extern fn xcb_coloritem_next(i: *ColoritemIterator) void;
     pub extern fn xcb_coloritem_end(i: ColoritemIterator) GenericIterator;
-    pub extern fn xcb_store_colors_sizeof(_buffer: ?*const anyopaque, items_len: u32) c_int;
     pub extern fn xcb_store_colors_checked(c: *Connection, cmap: Colormap, items_len: u32, items: [*c]const Coloritem) VoidCookie;
     pub extern fn xcb_store_colors(c: *Connection, cmap: Colormap, items_len: u32, items: [*c]const Coloritem) VoidCookie;
-    pub extern fn xcb_store_colors_items(R: *const StoreColorsRequest) [*c]Coloritem;
-    pub extern fn xcb_store_colors_items_length(R: *const StoreColorsRequest) c_int;
-    pub extern fn xcb_store_colors_items_iterator(R: *const StoreColorsRequest) ColoritemIterator;
-    pub extern fn xcb_store_named_color_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_store_named_color_checked(c: *Connection, flags: u8, cmap: Colormap, pixel: u32, name_len: u16, name: [*c]const u8) VoidCookie;
     pub extern fn xcb_store_named_color(c: *Connection, flags: u8, cmap: Colormap, pixel: u32, name_len: u16, name: [*c]const u8) VoidCookie;
-    pub extern fn xcb_store_named_color_name(R: *const StoreNamedColorRequest) [*c]u8;
-    pub extern fn xcb_store_named_color_name_length(R: *const StoreNamedColorRequest) c_int;
-    pub extern fn xcb_store_named_color_name_end(R: *const StoreNamedColorRequest) GenericIterator;
     pub extern fn xcb_rgb_next(i: *RgbIterator) void;
     pub extern fn xcb_rgb_end(i: RgbIterator) GenericIterator;
-    pub extern fn xcb_query_colors_sizeof(_buffer: ?*const anyopaque, pixels_len: u32) c_int;
     pub extern fn xcb_query_colors(c: *Connection, cmap: Colormap, pixels_len: u32, pixels: [*c]const u32) QueryColorsCookie;
     pub extern fn xcb_query_colors_unchecked(c: *Connection, cmap: Colormap, pixels_len: u32, pixels: [*c]const u32) QueryColorsCookie;
     pub extern fn xcb_query_colors_colors(R: *const QueryColorsReply) [*c]Rgb;
     pub extern fn xcb_query_colors_colors_length(R: *const QueryColorsReply) c_int;
     pub extern fn xcb_query_colors_colors_iterator(R: *const QueryColorsReply) RgbIterator;
     pub extern fn xcb_query_colors_reply(c: *Connection, cookie: QueryColorsCookie, e: ?*?*GenericError) ?*QueryColorsReply;
-    pub extern fn xcb_lookup_color_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_lookup_color(c: *Connection, cmap: Colormap, name_len: u16, name: [*c]const u8) LookupColorCookie;
     pub extern fn xcb_lookup_color_unchecked(c: *Connection, cmap: Colormap, name_len: u16, name: [*c]const u8) LookupColorCookie;
     pub extern fn xcb_lookup_color_reply(c: *Connection, cookie: LookupColorCookie, e: ?*?*GenericError) ?*LookupColorReply;
@@ -5563,38 +4253,26 @@ pub const import = struct {
     pub extern fn xcb_query_best_size(c: *Connection, _class: u8, drawable: Drawable, width: u16, height: u16) QueryBestSizeCookie;
     pub extern fn xcb_query_best_size_unchecked(c: *Connection, _class: u8, drawable: Drawable, width: u16, height: u16) QueryBestSizeCookie;
     pub extern fn xcb_query_best_size_reply(c: *Connection, cookie: QueryBestSizeCookie, e: ?*?*GenericError) ?*QueryBestSizeReply;
-    pub extern fn xcb_query_extension_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_query_extension(c: *Connection, name_len: u16, name: [*c]const u8) QueryExtensionCookie;
     pub extern fn xcb_query_extension_unchecked(c: *Connection, name_len: u16, name: [*c]const u8) QueryExtensionCookie;
     pub extern fn xcb_query_extension_reply(c: *Connection, cookie: QueryExtensionCookie, e: ?*?*GenericError) ?*QueryExtensionReply;
-    pub extern fn xcb_list_extensions_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_list_extensions(c: *Connection) ListExtensionsCookie;
     pub extern fn xcb_list_extensions_unchecked(c: *Connection) ListExtensionsCookie;
     pub extern fn xcb_list_extensions_names_length(R: *const ListExtensionsReply) c_int;
     pub extern fn xcb_list_extensions_names_iterator(R: *const ListExtensionsReply) StrIterator;
     pub extern fn xcb_list_extensions_reply(c: *Connection, cookie: ListExtensionsCookie, e: ?*?*GenericError) ?*ListExtensionsReply;
-    pub extern fn xcb_change_keyboard_mapping_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_change_keyboard_mapping_checked(c: *Connection, keycode_count: u8, first_keycode: Keycode, keysyms_per_keycode: u8, keysyms: [*c]const Keysym) VoidCookie;
     pub extern fn xcb_change_keyboard_mapping(c: *Connection, keycode_count: u8, first_keycode: Keycode, keysyms_per_keycode: u8, keysyms: [*c]const Keysym) VoidCookie;
-    pub extern fn xcb_change_keyboard_mapping_keysyms(R: *const ChangeKeyboardMappingRequest) [*c]Keysym;
-    pub extern fn xcb_change_keyboard_mapping_keysyms_length(R: *const ChangeKeyboardMappingRequest) c_int;
-    pub extern fn xcb_change_keyboard_mapping_keysyms_end(R: *const ChangeKeyboardMappingRequest) GenericIterator;
-    pub extern fn xcb_get_keyboard_mapping_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_keyboard_mapping(c: *Connection, first_keycode: Keycode, count: u8) GetKeyboardMappingCookie;
     pub extern fn xcb_get_keyboard_mapping_unchecked(c: *Connection, first_keycode: Keycode, count: u8) GetKeyboardMappingCookie;
     pub extern fn xcb_get_keyboard_mapping_keysyms(R: *const GetKeyboardMappingReply) [*c]Keysym;
     pub extern fn xcb_get_keyboard_mapping_keysyms_length(R: *const GetKeyboardMappingReply) c_int;
     pub extern fn xcb_get_keyboard_mapping_keysyms_end(R: *const GetKeyboardMappingReply) GenericIterator;
     pub extern fn xcb_get_keyboard_mapping_reply(c: *Connection, cookie: GetKeyboardMappingCookie, e: ?*?*GenericError) ?*GetKeyboardMappingReply;
-    pub extern fn xcb_change_keyboard_control_value_list_serialize(_buffer: [*c]?*anyopaque, value_mask: u32, _aux: [*c]const ChangeKeyboardControlValueList) c_int;
-    pub extern fn xcb_change_keyboard_control_value_list_unpack(_buffer: ?*const anyopaque, value_mask: u32, _aux: [*c]ChangeKeyboardControlValueList) c_int;
-    pub extern fn xcb_change_keyboard_control_value_list_sizeof(_buffer: ?*const anyopaque, value_mask: u32) c_int;
-    pub extern fn xcb_change_keyboard_control_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_change_keyboard_control_checked(c: *Connection, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_change_keyboard_control(c: *Connection, value_mask: u32, value_list: ?*const anyopaque) VoidCookie;
     pub extern fn xcb_change_keyboard_control_aux_checked(c: *Connection, value_mask: u32, value_list: [*c]const ChangeKeyboardControlValueList) VoidCookie;
     pub extern fn xcb_change_keyboard_control_aux(c: *Connection, value_mask: u32, value_list: [*c]const ChangeKeyboardControlValueList) VoidCookie;
-    pub extern fn xcb_change_keyboard_control_value_list(R: *const ChangeKeyboardControlRequest) ?*anyopaque;
     pub extern fn xcb_get_keyboard_control(c: *Connection) GetKeyboardControlCookie;
     pub extern fn xcb_get_keyboard_control_unchecked(c: *Connection) GetKeyboardControlCookie;
     pub extern fn xcb_get_keyboard_control_reply(c: *Connection, cookie: GetKeyboardControlCookie, e: ?*?*GenericError) ?*GetKeyboardControlReply;
@@ -5610,19 +4288,13 @@ pub const import = struct {
     pub extern fn xcb_get_screen_saver(c: *Connection) GetScreenSaverCookie;
     pub extern fn xcb_get_screen_saver_unchecked(c: *Connection) GetScreenSaverCookie;
     pub extern fn xcb_get_screen_saver_reply(c: *Connection, cookie: GetScreenSaverCookie, e: ?*?*GenericError) ?*GetScreenSaverReply;
-    pub extern fn xcb_change_hosts_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_change_hosts_checked(c: *Connection, mode: u8, family: u8, address_len: u16, address: [*c]const u8) VoidCookie;
     pub extern fn xcb_change_hosts(c: *Connection, mode: u8, family: u8, address_len: u16, address: [*c]const u8) VoidCookie;
-    pub extern fn xcb_change_hosts_address(R: *const ChangeHostsRequest) [*c]u8;
-    pub extern fn xcb_change_hosts_address_length(R: *const ChangeHostsRequest) c_int;
-    pub extern fn xcb_change_hosts_address_end(R: *const ChangeHostsRequest) GenericIterator;
-    pub extern fn xcb_host_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_host_address(R: *const Host) [*c]u8;
     pub extern fn xcb_host_address_length(R: *const Host) c_int;
     pub extern fn xcb_host_address_end(R: *const Host) GenericIterator;
     pub extern fn xcb_host_next(i: *HostIterator) void;
     pub extern fn xcb_host_end(i: HostIterator) GenericIterator;
-    pub extern fn xcb_list_hosts_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_list_hosts(c: *Connection) ListHostsCookie;
     pub extern fn xcb_list_hosts_unchecked(c: *Connection) ListHostsCookie;
     pub extern fn xcb_list_hosts_hosts_length(R: *const ListHostsReply) c_int;
@@ -5634,30 +4306,22 @@ pub const import = struct {
     pub extern fn xcb_set_close_down_mode(c: *Connection, mode: u8) VoidCookie;
     pub extern fn xcb_kill_client_checked(c: *Connection, resource: u32) VoidCookie;
     pub extern fn xcb_kill_client(c: *Connection, resource: u32) VoidCookie;
-    pub extern fn xcb_rotate_properties_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_rotate_properties_checked(c: *Connection, window: Window, atoms_len: u16, delta: i16, atoms: [*c]const Atom) VoidCookie;
     pub extern fn xcb_rotate_properties(c: *Connection, window: Window, atoms_len: u16, delta: i16, atoms: [*c]const Atom) VoidCookie;
-    pub extern fn xcb_rotate_properties_atoms(R: *const RotatePropertiesRequest) [*c]Atom;
-    pub extern fn xcb_rotate_properties_atoms_length(R: *const RotatePropertiesRequest) c_int;
-    pub extern fn xcb_rotate_properties_atoms_end(R: *const RotatePropertiesRequest) GenericIterator;
     pub extern fn xcb_force_screen_saver_checked(c: *Connection, mode: u8) VoidCookie;
     pub extern fn xcb_force_screen_saver(c: *Connection, mode: u8) VoidCookie;
-    pub extern fn xcb_set_pointer_mapping_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_set_pointer_mapping(c: *Connection, map_len: u8, map: [*c]const u8) SetPointerMappingCookie;
     pub extern fn xcb_set_pointer_mapping_unchecked(c: *Connection, map_len: u8, map: [*c]const u8) SetPointerMappingCookie;
     pub extern fn xcb_set_pointer_mapping_reply(c: *Connection, cookie: SetPointerMappingCookie, e: ?*?*GenericError) ?*SetPointerMappingReply;
-    pub extern fn xcb_get_pointer_mapping_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_pointer_mapping(c: *Connection) GetPointerMappingCookie;
     pub extern fn xcb_get_pointer_mapping_unchecked(c: *Connection) GetPointerMappingCookie;
     pub extern fn xcb_get_pointer_mapping_map(R: *const GetPointerMappingReply) [*c]u8;
     pub extern fn xcb_get_pointer_mapping_map_length(R: *const GetPointerMappingReply) c_int;
     pub extern fn xcb_get_pointer_mapping_map_end(R: *const GetPointerMappingReply) GenericIterator;
     pub extern fn xcb_get_pointer_mapping_reply(c: *Connection, cookie: GetPointerMappingCookie, e: ?*?*GenericError) ?*GetPointerMappingReply;
-    pub extern fn xcb_set_modifier_mapping_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_set_modifier_mapping(c: *Connection, keycodes_per_modifier: u8, keycodes: [*c]const Keycode) SetModifierMappingCookie;
     pub extern fn xcb_set_modifier_mapping_unchecked(c: *Connection, keycodes_per_modifier: u8, keycodes: [*c]const Keycode) SetModifierMappingCookie;
     pub extern fn xcb_set_modifier_mapping_reply(c: *Connection, cookie: SetModifierMappingCookie, e: ?*?*GenericError) ?*SetModifierMappingReply;
-    pub extern fn xcb_get_modifier_mapping_sizeof(_buffer: ?*const anyopaque) c_int;
     pub extern fn xcb_get_modifier_mapping(c: *Connection) GetModifierMappingCookie;
     pub extern fn xcb_get_modifier_mapping_unchecked(c: *Connection) GetModifierMappingCookie;
     pub extern fn xcb_get_modifier_mapping_keycodes(R: *const GetModifierMappingReply) [*c]Keycode;