Function opt_has_arg

fftools/cmdutils.c:231–238

#endif /* HAVE_COMMANDLINETOARGVW */

static int opt_has_arg(const OptionDef *o)
{
    if (o->type == OPT_TYPE_BOOL)
        return 0;
    if (o->type == OPT_TYPE_FUNC)
        return !!(o->flags & OPT_FUNC_ARG);
    return 1;
}

static int write_option(void *optctx, const OptionDef *po, const char *opt,
                        const char *arg, const OptionDef *defs)