Function g_log_set_handler_full
pub unsafe extern "C" fn g_log_set_handler_full(
log_domain: *const i8,
log_levels: u32,
log_func: Option<unsafe extern "C" fn(*const i8, u32, *const i8, *mut c_void)>,
user_data: *mut c_void,
destroy: Option<unsafe extern "C" fn(*mut c_void)>,
) -> u32