pub unsafe extern "C" fn g_closure_add_marshal_guards(
closure: *mut GClosure,
pre_marshal_data: gpointer,
pre_marshal_notify: GClosureNotify,
post_marshal_data: gpointer,
post_marshal_notify: GClosureNotify,
)
pub unsafe extern "C" fn g_closure_add_marshal_guards(
closure: *mut GClosure,
pre_marshal_data: gpointer,
pre_marshal_notify: GClosureNotify,
post_marshal_data: gpointer,
post_marshal_notify: GClosureNotify,
)