#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<malloc.h>

#define MAXSIZE 100

typedef enum{
    success = 0,
    fail = 1
}Status;

typedef struct entrytype{
    int number;
}EntryType;

typedef struct stack{
    int top;
    int length;
    EntryType *pdat;
}TStack, *TStackPtr;

Status init_stack(TStackPtr    ps, int n){
    EntryType *p;                            //指向栈底的指针
    p = (EntryType*)malloc((sizeof(EntryType))*n);
    if (p){
        ps->pdat = p;
        ps->top = 0;
        ps->length = n;
    }
    return success;
}

Status destroy_stack(TStackPtr ps){
    if (ps->pdat){
        free(ps->pdat);
        ps->pdat = NULL;
        ps->top = 0;
        ps->length = 0;
        return success;
    }
    return fail;
}

Status clear_stack(TStackPtr ps){
    if (ps->pdat){
        ps->top = 0;
        return success;
    }
    return fail;
}

Status isempty_stack(TStackPtr ps){
    if (ps->top <= 0){
        printf("栈空!!");
        return fail;
    }
    return success;
}

Status isfull_stack(TStackPtr ps){
    if (ps->top >= ps->length){
        printf("栈满!!");
        return fail;
    }
    return success;
}

void addelem_stack(TStackPtr ps, EntryType p){            //增加元素
    Status status;
    status = isfull_stack(ps);
    if (status == success)/**/{
        ps->pdat[ps->top] = p;
        ps->top++;
    }
    return;
}

EntryType pop_stack(TStackPtr ps){                            //取出
    Status status;
    EntryType p;
    status = isempty_stack(ps);
    if (status == success){
        ps->top--;
        p = ps->pdat[ps->top];
    }
    return p;
}

void shuzhizhuanhua(TStackPtr ps, int N, int b){    //N表示十进制数的大小，b表示转化后的b进制数
    int i = 0;
    EntryType num, p;
    while (N>0 && i <= MAXSIZE){
        num.number = N%b;
        N = N / b;
        addelem_stack(ps, num);
        i++;
    }

    while ((ps->top)>0){
        p = pop_stack(ps);
        printf("%d\t", p.number);
    }
    return;
}

int main(){
    int N, b;
    int a = 10;
    printf("请输入十进制数N：");
    scanf("%d", &N);
    printf("请输入所需进制数b：");
    scanf("%d", &b);
    TStackPtr ps;
    init_stack(ps, a);
    printf("%d\n", ps->top);
    shuzhizhuanhua(ps, N, b);
    getchar();
    return 0;
}
错误    1    error C4700: 使用了未初始化的局部变量“ps”

感觉是对的啊。
vs上编译的

就是那两句不知道怎么改

能告诉下怎么改么

不知道怎么叫初始化。。。。。
像这样么
TStackPtr ps = (TStack*)malloc(sizeof(TStack));

运行后不显示结果啊_(:зゝ∠)_

第一次写栈，照着老师的来的，我试试，谢谢啦