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/* ioctl.h
 * Header file for the Linux serial-bus driver.
 * Written by wang songyue--bupt   email: wsy5228@sina.com 
 * This software is released under the GPL-License.
 * Version 0.1  28 oct 2005
 */

int serial_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);