getgrnam_r
int getgrnam_r(const char *, struct group *, char *, size_t,
return (getgrnam_r(key.name, grp, buffer, bufsize, res));
getgrnam_r(name, grp, buffer, bufsize, result)
getgrnam_r("wheel", &sts, bufs, sizeof(bufs), &grps);
getgrnam_r("operator", &sts, bufs, sizeof(bufs), &grps);
error = getgrnam_r(lua_tostring(L, 3), &gr, buf, sizeof(buf),
error = getgrnam_r(d->name, grp, (char *)(grp + 1),