osf1 man page for sethostname

sethostname(2)							System Calls Manual						    sethostname(2)

NAME
       sethostname - Sets the name of the current host

SYNOPSIS
       int sethostname (      char *name,      int name_len );

PARAMETERS
       Points to an array of bytes where the host name is stored.  Specifies the length of the array pointed to by the name parameter.

DESCRIPTION
       The sethostname() function allows a calling process with root user authority to set the internal host name of a machine on a network.

       System host names are limited to MAXHOSTNAMELEN as defined in the /usr/include/sys/param.h file.

       The sethostid() function fails if the calling process does not have superuser privilege.

RETURN VALUES
       Upon  successful  completion, the system returns a value of 0 (zero).  If the sethostname() function fails, -1 is returned and errno is set
       to indicate the error.

ERRORS
       If the sethostname() function fails, errno may be set to one of the following values: The name parameter or the name_len parameter gives an
       address that is not valid.  The calling process does not have appropriate privilege.

RELATED INFORMATION
       Functions: gethostid(2), sethostid(2), gethostname(2) delim off

																    sethostname(2)