/*	tokens.h
 *
 *  $Log: tokens.h,v $
 *  Revision 1.1  1997/07/03 19:26:31  warwick
 *  Initial revision
 *
 */

#include <stdio.h>

enum Context { CON_GUARD, CON_EXPRESSION };

extern void backtoken( char *back ) ;
extern char *nexttoken( char *old, enum Context context, FILE *IN ) ;
extern char *seetoken(enum Context context, FILE *IN) ;