函数名: setdisk

功 能: 设置当前磁盘驱动器

用 法: int setdisk(int drive);

程序例:

#include <stdio.h>

#include <dir.h>

int main(void)

{

int save, disk, disks;

/* save original drive */

save = getdisk();

/* print number of logic drives */

disks = setdisk(save);

printf("%d logical drives on the system\\", disks);

/* print the drive letters available */

printf("Available drives:\");

for (disk = 0;disk < 26;++disk)

{

setdisk(disk);

if (disk == getdisk())

printf("%c: drive is available\", disk + 'a');

}

setdisk(save);

return 0;

}