sethostname(2)							System Calls Manual						    sethostname(2)

NAME

       sethostname() - set name of current host system

SYNOPSIS

DESCRIPTION

       The  system  call  sets	the name of the current system to name, which has a length of namelen characters.  At system boot time is normally
       executed by the command (see hostname(1)) in the script.  Host names are limited to characters, as defined in

   Security Restrictions
       The actions associated with this system call require the privilege Processes owned by the superuser have this privilege.   Processes  owned
       by other users may have this privilege, depending on system configuration.

       See privileges(5) for more information about privileged access on systems that support fine-grained privileges.

RETURN VALUE

       returns the following values:

	      Successful completion.
	      Failure.
		     is set to indicate the error.

ERRORS

       If fails, is set to one of the following values.

	      name	     points to an illegal address.  The reliable detection of this error is implementation dependent.

	      The user does not have appropriate privileges.

WARNINGS

       Setting	a  hostname  of  more  than  64  bytes with is possible only with the appropriate configuration options enabled (see nodehostname-
       size(5)).  It is strongly recommended that all related documentation be completely understood before setting a larger hostname.	A hostname
       larger  than  64  bytes	can cause anomalous behavior or failure in applications which use the command or the system function to obtain the
       name.

AUTHOR

       was developed by the University of California, Berkeley.

SEE ALSO

       hostname(1), uname(1), gethostname(2), uname(2), nodehostnamesize(5), privileges(5).

																    sethostname(2)