The C and C++ Include Header Files

/usr/include/linux/netfilter_ipv6/ip6t_ah.h


$ cat -n /usr/include/linux/netfilter_ipv6/ip6t_ah.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _IP6T_AH_H
     3	#define _IP6T_AH_H
     4	
     5	#include <linux/types.h>
     6	
     7	struct ip6t_ah {
     8		__u32 spis[2];			/* Security Parameter Index */
     9		__u32 hdrlen;			/* Header Length */
    10		__u8  hdrres;			/* Test of the Reserved Filed */
    11		__u8  invflags;			/* Inverse flags */
    12	};
    13	
    14	#define IP6T_AH_SPI 0x01
    15	#define IP6T_AH_LEN 0x02
    16	#define IP6T_AH_RES 0x04
    17	
    18	/* Values for "invflags" field in struct ip6t_ah. */
    19	#define IP6T_AH_INV_SPI		0x01	/* Invert the sense of spi. */
    20	#define IP6T_AH_INV_LEN		0x02	/* Invert the sense of length. */
    21	#define IP6T_AH_INV_MASK	0x03	/* All possible flags. */
    22	
    23	#endif /*_IP6T_AH_H*/