pub unsafe extern "C" fn gtk_builder_cscope_add_callback_symbol(
self_: *mut GtkBuilderCScope,
callback_name: *const c_char,
callback_symbol: GCallback,
)
pub unsafe extern "C" fn gtk_builder_cscope_add_callback_symbol(
self_: *mut GtkBuilderCScope,
callback_name: *const c_char,
callback_symbol: GCallback,
)