int main()
{
     static int a,b=1,c=100;
     b++;
     a=b;
     if (a>10000)
     {
         a=c;
        printf("a=%d\n",a);
        return 0;
     }
     printf("a=%d\n",a);
     main();
     return 0;
}

主函数调用主函数真没见过，for语句不是更简单吗