Function g_option_group_set_parse_hooks

pub unsafe extern "C" fn g_option_group_set_parse_hooks(
    group: *mut GOptionGroup,
    pre_parse_func: Option<unsafe extern "C" fn(*mut _GOptionContext, *mut GOptionGroup, *mut c_void, *mut *mut GError) -> i32>,
    post_parse_func: Option<unsafe extern "C" fn(*mut _GOptionContext, *mut GOptionGroup, *mut c_void, *mut *mut GError) -> i32>,
)