MMCOP
error = ioctl(dev_fd, MMCOP, &op);
(void) ioctl(dev_fd, MMCOP, &mmc_op);
error = ioctl(dev_fd, MMCOP, &op);
error = ioctl(dev_fd, MMCOP, &op);
error = ioctl(dev_fd, MMCOP, &op);
case MMCOP:
(void) VOP_IOCTL(ump->devvp, MMCOP, &mmc_op, FKIOCTL, NOCRED);
error = VOP_IOCTL(devvp, MMCOP, &mmc_op,
error = VOP_IOCTL(devvp, MMCOP, &mmc_op,
error = VOP_IOCTL(devvp, MMCOP, &mmc_op,
error = VOP_IOCTL(devvp, MMCOP, &mmc_op, FKIOCTL, NOCRED);