#include<stdio.h>
#include<malloc.h>
#include<conio.h>
#include<stdlib.h>
#define STACK_SIZE 100
typedef int DataType;
typedef struct
{
    DataType *base;
    DataType *top;
    int stacksize;
}SeqStack;

void Initial(SeqStack *s)
{
    s->base=(DataType *)malloc(STACK_SIZE*sizeof(DataType));
    if(!s->base)exit(-1);
s->top=s->base;
s->stacksize=STACK_SIZE;
}

int IsEmpty(SeqStack *S)
{
    return S->top==S->base;
}

int IsFull(SeqStack *S)
{
    return S->top-S->base==STACK_SIZE-1;
}

void Push(SeqStack *S,DataType x)
{
    if(IsFull(S))
    {
        printf("jian shang yi");
        exit(1);
    }
    *(S->top++)=x;
}

DataType Pop(SeqStack *S)
{
    if(IsEmpty(S))
    {printf("zhan wei kong");
     exit(1);
    }
    return *--S->top;
}
DataType Top(SeqStack *S)
{
    if(IsEmpty(S))
    {
        printf("zhan wei kong");
        exit(1);
    }
    return *(S->top-1);
}
void conversion(int N,int B)
{
    int i;
    SeqStack *S=NULL;
    Initial(S);
    while(N)
    {
        Push(S,N%B);
        N=N/B;
    }
    while(!IsEmpty(S))
    {
        i=Pop(S);
        printf("%d",i);
    }
}
void main()
{
    int n,d;
    printf("Input the integer you want to transform:");
    scanf("%d",&n);
    printf("Input the integer of the system:");
    scanf("%d",&d);
    printf("result:");
    conversion(n,d);
    getch();
}

已经修改完毕。楼主应该自己也思考思考。
typedef struct
{
    //DataType *base;
    DataType *top;
    int stacksize;
}SeqStack;

SeqStack* Initial()
{
    SeqStack *s;
    //s->base=(DataType *)malloc(STACK_SIZE*sizeof(DataType));
    s = (SeqStack*)malloc(STACK_SIZE * sizeof(DataType));
    s->top = (int*)malloc(sizeof(int));
    if(!s->top)exit(-1);
    //s->top;
    s->stacksize = 0;
    return s;
}

int IsEmpty(SeqStack *S)
{
    return S->stacksize == 0;
}

int IsFull(SeqStack *S)
{
    //return S->top-S->base==STACK_SIZE-1;
    return S->stacksize == STACK_SIZE - 1;
}

void Push(SeqStack *S, DataType x)
{
    if(IsFull(S))
    {
        printf("jian shang yi");
        exit(1);
    }
    S->top++;
    *S->top = x;
   
    S->stacksize++;
}

DataType Pop(SeqStack *S)
{
    if(IsEmpty(S))
    {
        printf("zhan wei kong");
         exit(1);
    }
    S->stacksize--;
    return *S->top--;
}
int main()
{
    int n,d;
    printf("Input the integer you want to transform:");
    scanf("%d",&n);
    printf("Input the integer of the system:");
    scanf("%d",&d);
    printf("result:");
    conversion(n,d);
    getch();
    return 0;
}


[ 本帖最后由 zisefengye 于 2010-7-15 00:11 编辑 ]

好像还是不能运行，initial（）中为什么要给s与s->top分别开辟空间？。。。。。。

你打个断点看看，就会明白了。一个只是初始化指针S,另一是初始化指针S->top。其实还有很多地方需要改进一下。比如是否需要释放S，还有int stacksize改为int count可能更合适。至于你运行出现什么错误，我无法判断，至少你把错误贴出来。

最终还是能运行了，谢谢了，但我还是搞不懂为什么我开始写的那个程序可以编译连接，但不能运行？

呵呵