rem: gethostname (name, len) char *name; int len;
add: gethostname (char *name, size_t len)
context: gethostname (name, len)     char *name;     int len;{#ifdef HAVE_UNAME  struct utsname uts;  if (uname (&uts) == -1)    return -1;  if (len > sizeof (uts.nodename))    {      /* More space than we need is available.  */      name[sizeof (uts.nodename)] = '\0';      len = sizeof (uts.nodename);    }  strncpy (name, uts.nodename, len);#else  strcpy (name, "");		/* Hardcode your system name if you want.  */#endif  return 0;}