netbsd man page for sethostname

GETHOSTNAME(3)						   BSD Library Functions Manual 					    GETHOSTNAME(3)

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

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <unistd.h>

     int
     gethostname(char *name, size_t namelen);

     int
     sethostname(const char *name, size_t 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 super-user and is nor-
     mally used only when the system is bootstrapped.

RETURN VALUES
     If the call succeeds a value of 0 is returned.  If the call fails, a value of -1 is returned and an error code is placed in the global loca-
     tion errno.

ERRORS
     If the gethostname() or sethostname() functions fail, they will set errno for any of the errors specified for the routine sysctl(3).

SEE ALSO
     gethostid(3), sysctl(3), sysctl(8)

STANDARDS
     The gethostname() function conforms to X/Open Portability Guide Issue 4, Version 2 (``XPG4.2'').

HISTORY
     The gethostname function call appeared in 4.2BSD.

BUGS
     Host names are limited to MAXHOSTNAMELEN (from <sys/param.h>) characters including null-termination, currently 256.

BSD
								 October 14, 2005							       BSD