if (hostbuf[0] == '\0') (void) strlcpy(hostbuf, "localhost", size);
myhostname(hostbuf, size)	char hostbuf[];	int size;{	register FILE *f;	hostbuf[0] = '\0';	f = fopen("/usr/include/whoami", "r");	if (f != NULL)	{		(void) fgets(hostbuf, size, f);		fixcrlf(hostbuf, TRUE);		(void) fclose(f);	}	return NULL;}