rem: XFREE((void *)pbuf);
add: xfree(pbuf);
context: getenvs_(char *name){	static tchar	*pbuf = (tchar *)NULL;	char	*val;	if (pbuf) {		XFREE((void *)pbuf);		pbuf = NOSTR;	}	val = getenv(name);	if (val == (char *)NULL) {		return (NOSTR);	}	return (pbuf = strtots(NOSTR, val));}