2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these libraries and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: PstackI.h /main/4 1995/11/08 11:47:58 rswiston $ */
24 /************************************<+>*************************************
25 ****************************************************************************
29 * Project: Cache Creek (Rivers) Project
30 * Description: Header file for Utility functions for PStack.h
32 * Modifications by (Mike Wilson)
35 * (C) Copyright 1992, Hewlett-Packard, all rights reserved.
37 ****************************************************************************
38 ************************************<+>*************************************/
46 typedef struct PStackRec *PStack;
52 /*****************************************************************************
53 * Function: PStack PStackCreate();
57 * Return Value: PStack.
59 * Purpose: Generates a PStack structure and returns it to the
62 *****************************************************************************/
63 extern PStack PStackCreate();
66 /*****************************************************************************
67 * Function: PStack PStackDestroy();
73 * Purpose: Destroys a PStack structure.
75 *****************************************************************************/
76 extern void PStackDestroy(
80 /*****************************************************************************
81 * Function: PStack PStackPush();
88 * Purpose: Pushes a PStack structure on the current stack.
90 *****************************************************************************/
91 extern void PStackPush(
96 /*****************************************************************************
97 * Function: PStack *PStackPeek();
101 * Return Value: void.
103 * Purpose: Gets a PStack.
105 *****************************************************************************/
106 extern void *PStackPeek(
110 /*****************************************************************************
111 * Function: PStack *PStackPop();
115 * Return Value: void.
117 * Purpose: Pops the top element off the stack
119 *****************************************************************************/
120 extern void *PStackPop(