Function xcb::ffi::xproto::xcb_free_colors_checked

pub unsafe extern "C" fn xcb_free_colors_checked(
    c: *mut xcb_connection_t, 
    cmap: xcb_colormap_t, 
    plane_mask: u32, 
    pixels_len: u32, 
    pixels: *const u32
) -> xcb_void_cookie_t