pub unsafe extern "C" fn gtk_source_view_get_mark_attributes(
view: *mut GtkSourceView,
category: *const c_char,
priority: *mut c_int,
) -> *mut GtkSourceMarkAttributes
pub unsafe extern "C" fn gtk_source_view_get_mark_attributes(
view: *mut GtkSourceView,
category: *const c_char,
priority: *mut c_int,
) -> *mut GtkSourceMarkAttributes