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The C and C++ Include Header Files

/usr/include/linux/usb/cdc-wdm.h


$ cat -n /usr/include/linux/usb/cdc-wdm.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	/*
     3	 * USB CDC Device Management userspace API definitions
     4	 *
     5	 * This program is free software; you can redistribute it and/or
     6	 * modify it under the terms of the GNU General Public License
     7	 * version 2 as published by the Free Software Foundation.
     8	 */
     9	
    10	#ifndef __LINUX_USB_CDC_WDM_H
    11	#define __LINUX_USB_CDC_WDM_H
    12	
    13	#include <linux/types.h>
    14	
    15	/*
    16	 * This IOCTL is used to retrieve the wMaxCommand for the device,
    17	 * defining the message limit for both reading and writing.
    18	 *
    19	 * For CDC WDM functions this will be the wMaxCommand field of the
    20	 * Device Management Functional Descriptor.
    21	 */
    22	#define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16)
    23	
    24	#endif /* __LINUX_USB_CDC_WDM_H */