Manual page for GETHOSTNAME(2)
gethostname, sethostname - get/set name of current host
returns the standard host name for the current processor, as
previously set by
specifies the size of the
array. The returned name is null-terminated unless insufficient
space is provided.
sets the name of the host machine to be
which has length
This call is restricted to the super-user and
is normally used only when the system is bootstrapped.
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:
The name or namelen parameter gave an
The caller tried to set the hostname and was not the super-user.
Host names are limited to MAXHOSTNAMELEN (from
characters, currently 256.
Created by unroff & hp-tools.
© by Hans-Peter Bischof. All Rights Reserved (1997).
Last modified 21/April/97