#include <stdio.h>
#define M 100
int arrin (int * );
void arrout (int *,int );
main()
{
    int s[M],k;
    k=arrin(s);
    arrout(s,k);
}

int arrin(int *a)
{
    int i,x;
    scanf("%d",&x);
    while(x>=0)
    {
        *(a+i)=x;
        i++;
        scanf("&d",&x);
    }
    return i;
}

void arrout(int *a,int n);
{                             //VC6总是说这个括号error C2449: found '{' at file scope (missing function header?)
    int i;
    for(i=0;i<n;i++)
        printf(((i+1)%5==0)?"%4d\n":"%4d",*(a+i));
    printf("\n");
}                                //还有这个括号error C2059: syntax error : '}'


难道是系统问题。。。。。。。小白求赐教。。。。多多指教。。。。。。。。。