# include <stdio.h>
# include <stdlib.h>
# define Stacksize 100
typedef struct
{
int data[Stacksize];
int top;
}node, *snode;
snode s;
snode InitStack()
{
s=(node *)malloc(sizeof(node));
if(s)
{
s->top=-1;
return s;
}
else
{
printf("没有足够的内存空间,申请失败\n");
exit(0);
}
}
int Empty(snode s)
{
if(s->top==-1)
return 1;
else
return 0;
}
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