支持多种类型的栈——C语言实现

今天看《C++编程思想》,对其的C风格库的程序略有所得。通过书里用到的方法(指针类型的灵活转换),自己写了一个栈,可以存放多种类型。一下是程序:

Stack.h

/************************************************************
 * stack.h                                                  *
 * A stack that can contain any kind of data.               *
 * by Eric Brown.                                           *
 ************************************************************/
 
#ifndef STACK_H
#define STACK_H

#include 

typedef struct Stack_Tag
{
    int size;       /*Size of each data.*/
    int quantity;   /*The number of the whole space.*/
    int top;        /*The top data's index.*/
    /* This is the array of the storage.*/
    unsigned char *storage;
}stack;

/*initialize: to initial a stack.*/
void initialize(stack *s, int size);    

/*cleanup: to clean a stack up.*/
void cleanup(stack *s);

/*push: to push an element into a stack.*/
voi

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