|
|
/////////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1998 Active Voice Corporation. All Rights Reserved.
//
// Active Agent(r) and Unified Communications(tm) are trademarks of Active Voice Corporation.
//
// Other brand and product names used herein are trademarks of their respective owners.
//
// The entire program and user interface including the structure, sequence, selection,
// and arrangement of the dialog, the exclusively "yes" and "no" choices represented
// by "1" and "2," and each dialog message are protected by copyrights registered in
// the United States and by international treaties.
//
// Protected by one or more of the following United States patents: 5,070,526, 5,488,650,
// 5,434,906, 5,581,604, 5,533,102, 5,568,540, 5,625,676, 5,651,054.
//
// Active Voice Corporation
// Seattle, Washington
// USA
//
/////////////////////////////////////////////////////////////////////////////////////////
////
// stack.h - interface for stack functions in stack.c
////
#ifndef __STACK_H__
#define __STACK_H__
#include "winlocal.h"
#define STACK_VERSION 0x00000100
// handle to a stack
//
DECLARE_HANDLE32(HSTACK);
// stack data element
//
typedef LPVOID STACKELEM;
#ifdef __cplusplus
extern "C" {#endif
////
// stack constructor and destructor functions
////
// StackCreate - stack constructor
// <dwVersion> (i) must be STACK_VERSION
// <hInst> (i) instance handle of calling module
// return new stack handle (NULL if error)
//
HSTACK DLLEXPORT WINAPI StackCreate(DWORD dwVersion, HINSTANCE hInst);
// StackDestroy - stack destructor
// <hStack> (i) handle returned from StackCreate
// return 0 if success
//
int DLLEXPORT WINAPI StackDestroy(HSTACK hStack);
////
// stack status functions
////
// StackGetCount - return count of nodes in stack
// <hStack> (i) handle returned from StackCreate
// return node count (-1 if error)
//
long DLLEXPORT WINAPI StackGetCount(HSTACK hStack);
// StackIsEmpty - return TRUE if stack has no nodes
// <hStack> (i) handle returned from StackCreate
// return TRUE or FALSE
//
BOOL DLLEXPORT WINAPI StackIsEmpty(HSTACK hStack);
////
// stack element insertion functions
////
// StackPush - add new node with data <elem> to bottom of stack
// <hStack> (i) handle returned from StackCreate
// <elem> (i) new data element
// returns 0 if success
//
int DLLEXPORT WINAPI StackPush(HSTACK hStack, STACKELEM elem);
////
// stack element removal functions
////
// StackPop - remove node from bottom of stack
// <hStack> (i) handle returned from StackCreate
// returns removed data element (NULL of error or empty)
//
STACKELEM DLLEXPORT WINAPI StackPop(HSTACK hStack);
// StackRemoveAll - remove all nodes from stack
// <hStack> (i) handle returned from StackCreate
// return 0 if success
//
int DLLEXPORT WINAPI StackRemoveAll(HSTACK hStack);
////
// stack element get value functions
////
// StackPeek - return node from bottom of stack, but leave it on stack
// <hStack> (i) handle returned from StackCreate
// returns data element (NULL if error or empty)
//
STACKELEM DLLEXPORT WINAPI StackPeek(HSTACK hStack);
#ifdef __cplusplus
}#endif
#endif // __STACK_H__
|
