DIOCDWEDGE
if (ioctl(fd, DIOCDWEDGE, &dkw) == -1)
case DIOCDWEDGE:
case DIOCDWEDGE:
case DIOCDWEDGE:
case DIOCDWEDGE:
case DIOCDWEDGE:
case DIOCDWEDGE:
(void)ioctl(diskfd, DIOCDWEDGE, &delw);
ioctl(*fd, DIOCDWEDGE, &dkw);
error = ioctl(fd, DIOCDWEDGE, &dkw);