#include int main(int argc,char **argv) { int i; FILE *fp = fopen("o", "w"); fprintf(fp, "%08x %08x\n", (int)_get_osfhandle(0),(int)_get_osfhandle(1)); for (i = 0;i < 1000;i ++) { printf("%010d\n",i); fprintf(fp,"%d\n",i); fflush(fp); } }