b_serial.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>
#include <bios.h>

void main()
  {
    unsigned short status;

    status = _bios_serialcom( _COM_STATUS, 1, 0 );
    printf( "Serial status: 0x%2.2X\n", status );
  }