gethostname(2N)                                   gethostname(2N)



NAME
     gethostname, sethostname - get/set name of current host

SYNOPSIS
     int gethostname(name, namelen)
     char *name;
     int namelen;

     int sethostname(name, namelen)
     char *name;
     int namelen;

DESCRIPTION
     gethostname returns the standard host name for the current
     processor, as previously set by sethostname.  The parameter
     namelen specifies the size of the name array.  The returned
     name is null-terminated unless insufficient space is
     provided.

     sethostname sets the name of the host machine to be name,
     which has length namelen.  This call is restricted to the
     superuser and is normally used only when the system is
     bootstrapped.

STATUS MESSAGES AND VALUES
     If the call succeeds, a value of 0 is returned.  If the call
     fails, then a value of -1 is returned and an error code is
     placed in the global location errno.

     The following errors may be returned by these calls:

     EFAULT
          The name or namelen parameter gave an invalid address.

     EPERM
          The caller was not the superuser.

LIMITATIONS
     Host names are limited to 255 characters.

SEE ALSO
     gethostid(2N)













January 1992                                                    1