dup_strings
if (dup_strings(&ret->env, &ret->nenv,
if (dup_strings(&ret->env, &ret->nenv,
if (dup_strings(&ret->permitopen, &ret->npermitopen,
if (dup_strings(&ret->permitopen, &ret->npermitopen,
if (dup_strings(&ret->permitlisten, &ret->npermitlisten,
if (dup_strings(&ret->permitlisten, &ret->npermitlisten,
if (dup_strings(&ret->env, &ret->nenv, orig->env, orig->nenv) != 0 ||
dup_strings(&ret->permitopen, &ret->npermitopen,
dup_strings(&ret->permitlisten, &ret->npermitlisten,