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The C and C++ Include Header Files

/usr/include/linux/if_phonet.h


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

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	/*
     3	 * File: if_phonet.h
     4	 *
     5	 * Phonet interface kernel definitions
     6	 *
     7	 * Copyright (C) 2008 Nokia Corporation. All rights reserved.
     8	 */
     9	#ifndef LINUX_IF_PHONET_H
    10	#define LINUX_IF_PHONET_H
    11	
    12	#define PHONET_MIN_MTU		6	/* pn_length = 0 */
    13	#define PHONET_MAX_MTU		65541	/* pn_length = 0xffff */
    14	#define PHONET_DEV_MTU		PHONET_MAX_MTU
    15	
    16	
    17	#endif /* LINUX_IF_PHONET_H */