1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2001 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26 
  27 #ifndef _STACK_H
  28 #define _STACK_H
  29 
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31 
  32 /*
  33  * Routines for manipulating stacks
  34  */
  35 
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39 
  40 typedef struct stk stk_t;
  41 
  42 stk_t *stack_new(void (*)(void *));
  43 void stack_free(stk_t *);
  44 void *stack_pop(stk_t *);
  45 void *stack_peek(stk_t *);
  46 void stack_push(stk_t *, void *);
  47 int stack_level(stk_t *);
  48 
  49 #ifdef __cplusplus
  50 }
  51 #endif
  52 
  53 #endif /* _STACK_H */