#include"common.h"
#define STACKINITSIZE 100
typedef struct{
	ElementType *base;
	ElementType *top;
	int stacksize;
}SqStack;

status InitSqStack(SqStack &s);
status DestroySqStack(SqStack &s);
status ClearSqStack(SqStack &s);

status IsSqStackEmpty(SqStack &s);

status IsSqStackFull(SqStack &s);

int SqStackLength(SqStack &s);
status GetSqStackTop(SqStack &s,ElementType &e);
status Push(SqStack &s,ElementType e);
status Pop(SqStack &s,ElementType &e);

status PrintSqStack(SqStack &s);