else { (void) e_to_sys(errno); vwarn(fmt, ap); }
(void) vsnprintf(&ErrBuf[len], sizeof ErrBuf - len, fmt, ap);  if (!HoldErrs) flush_error();   if (!LMTPMode) syslog(LOG_ERR, "%s", ErrBuf);
mailerr(const char *hdr, const char *fmt, ...)#else /* __STDC__ */mailerr(hdr, fmt, va_alist)	const char *hdr;	const char *fmt;	va_dcl#endif /* __STDC__ */{	va_list ap;#ifdef __STDC__	va_start(ap, fmt);#else /* __STDC__ */	va_start(ap);#endif /* __STDC__ */	if (LMTPMode)	{		if (hdr != NULL)			printf("%s ", hdr);		(void) vprintf(fmt, ap);		(void) printf("\r\n");	}	else	{		(void) e_to_sys(errno);		vwarn(fmt, ap);	}}