求： “bios.h”及“dos.h”文件

bios.h如下：
/* bios.h
Access to bios services.
Copyright (c) Borland International 1987,1988
All Rights Reserved.
*/
#if __STDC__
#define _Cdecl
#else
#define _Cdecl cdecl
#endif
int _Cdecl