d_open.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 17 行

#include <stdio.h>
#include <dos.h>
#include <fcntl.h>
#include <share.h>

void main()
  {
    int handle;

    if( _dos_open( "file", O_RDONLY, &handle ) != 0 ) {
        printf( "Unable to open file\n" );
    } else {
        printf( "Open succeeded\n" );
        _dos_close( handle );
    }
  }