数据结构入栈和出栈实例

#include<iostream.h>
#include<string.h>
#include<iomanip.h>
 #include<ctype.h>
 #include<malloc.h> /* malloc()等 */
 #include<limits.h> /* INT_MAX等 */
 #include<stdio.h> /* EOF(=^Z或F6),NULL */
 #include<stdlib.h> /* atoi() */
 #include<io.h> /* eof() */
 #include<math.h> /* floor(),ceil(),abs() */
 #include<process.h> /* exit() */
 /* 函数结果状态代码 */
 #define TRUE 1
 #define FALSE 0
 #define OK 1
 #define ERROR 0
 #define INFEASIBLE -1
 /* #define OVERFLOW -2 因为在math.h中已定义OVERFLOW的值为3,故去掉此行 */
 typedef int Status; /* Status是函数的类型,其值是函数结果状态代码，如OK等 */
 typedef int Boolean; /* Boolean是布尔类型,其值是TRUE或FALSE */
 typedef char SElemType;
#define STACK_INIT_SIZE  100;
#define STACKINCREMENT 10;
 typedef struct
 {
 SElemType *base;
 SElemType *top;
 int stacksize;//当前已存储的分配空间
 }SqStack;
 Status InitStack(SqStack &S)