数据结构（C语言） 栈的应用之数制转换

#include<stdio.h>
#include<stdlib.h>
typedef struct SqStack {
    int data[100];
    int top;
}SqStack;
void Push(SqStack* S, int e) {
    S->top++;
    S->data[S->top] = e;
}
void Pop(SqStack* S, int* e) {
    *e = S->data[S->top];
    S->top--;
}
int Empty(SqStack* S) {
    return S->top == -1;
}
void Init(SqStack* S) {
    S->top = -1;
}
//非负十进制整数转八进制,打印输出
void conversion(unsigned int num) {
    SqStack S;
    Init(&S);
    while (num != 0) {
        Push(&S, num % 8);
        num = num / 8;
    }
    while (!Empty(&S)) {
        int e;
        Pop(&S, &e);
        printf("%d", e);
    }
}
void main() {
    unsigned int num = 100;
    conversion(num);
    getchar();
}