#include
#include?
#include??
#include?
#include??
//定義全局變量//????
#define?TRUE???????1?????
#define?FALSE???????0?????
#define??OK?????????1?????
#define?ERROR???????0?????
#define?NULL????????0?????
#define?OVERFLOW?????-2?????
#define?MAXSIZE???????100?????
#define?stack_init_size??100?????
#define?stackincrement???10?????
???
typedef?char???selemtype;????
typedef?char???qelemtype;????
typedef?char???elemtype;????
typedef?int???status;?????
char???e;????
char???demon[MAXSIZE];?
//定義函數//
//棧的類型和基本操作//


typedef?struct????
??{????
??selemtype???*base;????
??selemtype???*top;????
??int?????stacksize;????
??}sqstack;?
???
status?initstack?（sqstack?&s）?{
	s.base?=?（selemtype?*）malloc（stack_init_size?*?sizeof?