gethostname(3BSD) (BSD System Compatibility) gethostname(3BSD)
NAME
gethostname, sethostname - (BSD) get/set name of current host
SYNOPSIS
/usr/ucb/cc [flag . . . ] file . . .
int gethostname(char *name, int namelen);
int sethostname(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 array pointed to by name.
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
privileged user and is normally used only when the system is
bootstrapped.
RETURN VALUE
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.
ERRORS
The following error may be returned by these calls:
EFAULT The name or namelen parameter gave an invalid
address.
EPERM The caller was not the privileged user. Note: this
error only applies to sethostname.
REFERENCES
gethostid(3BSD), uname(2)
NOTICES
Host names are limited to MAXHOSTNAMELEN characters, currently
256. (See the param.h header file.)
Copyright 1994 Novell, Inc. Page 1