getpwent_r
__weak_alias(getpwent_r,__getpwent_r50)
int getpwent_r(struct passwd *, char *, size_t, struct passwd **)
__warn_references(getpwent_r,
__weak_alias(getpwent_r, _getpwent_r)
int getpwent_r(struct passwd50 *, char *, size_t, struct passwd50 **);
getpwent_r(&pwres, pwbuf, sizeof(pwbuf), &pass) == 0 && pass != NULL