Function xcb_sys::xcb_change_gc_aux

pub unsafe extern "C" fn xcb_change_gc_aux(
    c: *mut xcb_connection_t, 
    gc: xcb_gcontext_t, 
    value_mask: u32, 
    value_list: *const xcb_change_gc_value_list_t
) -> xcb_void_cookie_t