c语言字符串的的入队,c语言入栈出栈，出队入队问题

求帮忙看下以下程序有什么问题，在线等，急。。

# include

# include

# define MAXSIZE 1024

typedef struct

{char c[MAXSIZE];

int top;

}seqstack;

typedef struct

{char sc[MAXSIZE];

int rear,prior;

int num; /*记录队列中元素个数*/

}squeue;

seqstack * Initstack(void)

{

seqstack *s;

s=(seqstack *)malloc(sizeof(seqstack));

s->top=-1;

return s;

}

squeue *Initsqueue(void)

{squeue *s;

s=(squeue *)malloc(sizeof(squeue));

s->prior=s->rear=-1;

s->num=0;

return s;

}

void push (seqstack *s,char x)

{

if(s->top==MAXSIZE-1)

{

printf("栈已满\n");

exit(1);

}

else

{

s->top++;

s->c[s->top]=x;

}

}

int pop(seqstack *s,char *x)

{

if(s->top==0)

{printf("栈空\n");

return -1;

}

else{

*x=s->c[s->top];

s->top--;

return 1;

}

}

int EnQueue(squeue *s,char x)

{

if(s->num==MAXSIZE)

{printf("队列已满\n");

return -1;

}

else

s->rear=(s->rear+1)%MAXSIZE;

s->sc[s->rear]=x;

s->num++;

return 1;

}

int Outqueue(squeue *s,char *x)

{

if(s->num==0)

{

printf("队列空\n");

return -1;

}

else

{

s->prior=(s->prior+1)%MAXSIZE;

*x=s->sc[s->prior];

s->num--;

return 1;

}

}