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 */ 54