pub unsafe extern "C" fn gtk_icon_info_load_symbolic( icon_info: *mut GtkIconInfo, fg: *const GdkRGBA, success_color: *const GdkRGBA, warning_color: *const GdkRGBA, error_color: *const GdkRGBA, was_symbolic: *mut gboolean, error: *mut *mut GError) -> *mut GdkPixbuf