#ifndef lint static char *sccsid = "@(#)hostname.c 1.4 (Berkeley) 8/11/83"; #endif /* * hostname -- get (or set hostname) */ #include <stdio.h> char hostname[32]; extern int errno; main(argc,argv) char *argv[]; { int myerrno; argc--; argv++; if (argc) { if (sethostname(*argv,strlen(*argv))) perror("sethostname"); myerrno = errno; } else { gethostname(hostname,sizeof(hostname)); myerrno = errno; printf("%s\n",hostname); } exit(myerrno); }