函数名: bdos功能: DOS系统调用用法: int bdos(int dosfun, unsigned dosdx, unsigned dosal);程序例: #include #include
/* Get current drive as 'A', 'B', ... */char current_drive(void){
char curdrive;
/* Get current disk as 0, 1, ... */
curdrive = bdos(0x19, 0, 0);
return('A' + curdrive);} int main(void){
printf("The current drive is %c:\n", current_drive());
return 0;} |
