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[C] DOS系统调用 →→→→→进入此内容的聊天室

来自 , 2021-03-12, 写在 C, 查看 113 次.
URL http://www.code666.cn/view/1145a30f
  1. #include <stdio.h>
  2. #include <dos.h>
  3.  
  4. /* Get current drive as 'A', 'B', ... */
  5. char current_drive ( void )
  6. {
  7.         char curdrive;
  8.  
  9.         /* Get current disk as 0, 1, ... */
  10.         curdrive = bdos ( 0x19, 0, 0 );
  11.         return ( 'A' + curdrive );
  12. }
  13.  
  14. int main ( void )
  15. {
  16.         printf ( "The current drive is %c:\n", current_drive() );
  17.         return 0;
  18. }

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