2 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
3 * See the copyright notice in the ACK home directory, in the file "Copyright".
5 /* $Id: expr.c,v 1.2 1994/06/24 11:37:06 ceriel Exp $ */
6 /* OPERATOR HANDLING */
14 /* The rank of the operator oper is returned.