/*
** Copyright (c) Massachusetts Institute of Technology 1994-1998.
**          All Rights Reserved.
**          Unpublished rights reserved under the copyright laws of
**          the United States.
**
** THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
** OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
**
** This code is distributed freely and may be used freely under the 
** following conditions:
**
**     1. This notice may not be removed or altered.
**
**     2. Works derived from this code are not distributed for
**        commercial gain without explicit permission from MIT 
**        (for permission contact lclint-request@sds.lcs.mit.edu).
*/
/*
** pairNode.h
**
** needs sort_type.h, ltoken_type.h
*/

typedef struct _pairNode {
  sort sort;
  ltoken tok;   /* enable error message to pinpoint location */
} *pairNode;

extern void pairNode_free (/*@only@*/ /*@null@*/ pairNode p_x);
