select_c.c

来自「该文件包含900个C语言编程的经典例子,供大家学习之用.希望对大家有帮助.」· C语言 代码 · 共 12 行

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

void main (void)
 {
   unsigned drive_count;

   _dos_setdrive(3, &drive_count);
   printf("The number of available drives is %d\n", 
     drive_count);
 }