pub unsafe extern "C" fn gtk_source_style_scheme_get_style(
scheme: *mut GtkSourceStyleScheme,
style_id: *const c_char,
) -> *mut GtkSourceStyle
pub unsafe extern "C" fn gtk_source_style_scheme_get_style(
scheme: *mut GtkSourceStyleScheme,
style_id: *const c_char,
) -> *mut GtkSourceStyle