getpass_r
char *getpass_r(const char *, char *, size_t);
if ((rv = getpass_r(prompt, buf, (size_t)bufsiz)) == NULL)
__weak_alias(getpass_r,_getpass_r)
p = getpass_r(prompt, buf, sizeof(buf));
p = getpass_r(prompt, passbuf, sizeof(passbuf));