fileno.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 11 行

#include <stdio.h>

void main()
  {
    FILE *stream;

    stream = fopen( "file", "r" );
    printf( "File number is %d\n", fileno( stream ) );
    fclose( stream );
  }