status.i4.v = lock_release(object_name.i1a.r)

	This routine releases a lock on a named object.  This lock is
	maintained in software and is only as good as the applications
	that adhere to it.  Only the process that applied the lock may
	release it.

	object_name	ASCII string naming the object to be unlocked
			maximum length of a name is LOCK_MAX_NAME_LEN

	This function returns ACNET status values as follows:

	OK			lock was released ok
	LOCK_NOT		object was not locked
	SQL_xxx			not released - this system error occurred

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	lock_request, lock_read

	C/C++ usage:

	static const char	object_name[] = "my_lock";
	int	status;

	status = lock_release(object_name);