Get the number of layouts in the keymap.
@sa xkb_layout_index_t xkb_rule_names xkb_keymap_num_layouts_for_key() @memberof xkb_keymap
See Implementation
Get the number of layouts in the keymap.
@sa xkb_layout_index_t xkb_rule_names xkb_keymap_num_layouts_for_key() @memberof xkb_keymap