pub unsafe extern "C" fn g_option_context_get_help(
context: *mut GOptionContext,
main_help: gboolean,
group: *mut GOptionGroup,
) -> *mut c_char
pub unsafe extern "C" fn g_option_context_get_help(
context: *mut GOptionContext,
main_help: gboolean,
group: *mut GOptionGroup,
) -> *mut c_char