The C and C++ Include Header Files

/usr/include/linux/udf_fs_i.h


$ cat -n /usr/include/linux/udf_fs_i.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	/*
     3	 * udf_fs_i.h
     4	 *
     5	 * This file is intended for the Linux kernel/module. 
     6	 *
     7	 * COPYRIGHT
     8	 *	This file is distributed under the terms of the GNU General Public
     9	 *	License (GPL). Copies of the GPL can be obtained from:
    10	 *		ftp://prep.ai.mit.edu/pub/gnu/GPL
    11	 *	Each contributing author retains all rights to their own work.
    12	 */
    13	#ifndef _UDF_FS_I_H
    14	#define _UDF_FS_I_H 1
    15	
    16	/* exported IOCTLs, we have 'l', 0x40-0x7f */
    17	#define UDF_GETEASIZE   _IOR('l', 0x40, int)
    18	#define UDF_GETEABLOCK  _IOR('l', 0x41, void *)
    19	#define UDF_GETVOLIDENT _IOR('l', 0x42, void *)
    20	#define UDF_RELOCATE_BLOCKS _IOWR('l', 0x43, long)
    21	
    22	#endif /* _UDF_FS_I_H */