Function xcb::ffi::randr::xcb_randr_get_output_property_reply

pub unsafe extern fn xcb_randr_get_output_property_reply(
    c: *mut xcb_connection_t, 
    cookie: xcb_randr_get_output_property_cookie_t, 
    error: *mut *mut xcb_generic_error_t
) -> *mut xcb_randr_get_output_property_reply_t

the returned value must be freed by the caller using libc::free().