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The C and C++ Include Header Files

/usr/include/linux/netfilter/xt_cgroup.h


$ cat -n /usr/include/linux/netfilter/xt_cgroup.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _XT_CGROUP_H
     3	#define _XT_CGROUP_H
     4	
     5	#include <linux/types.h>
     6	#include <linux/limits.h>
     7	
     8	struct xt_cgroup_info_v0 {
     9		__u32 id;
    10		__u32 invert;
    11	};
    12	
    13	struct xt_cgroup_info_v1 {
    14		__u8		has_path;
    15		__u8		has_classid;
    16		__u8		invert_path;
    17		__u8		invert_classid;
    18		char		path[PATH_MAX];
    19		__u32		classid;
    20	
    21		/* kernel internal data */
    22		void		*priv __attribute__((aligned(8)));
    23	};
    24	
    25	#define XT_CGROUP_PATH_MAX	512
    26	
    27	struct xt_cgroup_info_v2 {
    28		__u8		has_path;
    29		__u8		has_classid;
    30		__u8		invert_path;
    31		__u8		invert_classid;
    32		union {
    33			char	path[XT_CGROUP_PATH_MAX];
    34			__u32	classid;
    35		};
    36	
    37		/* kernel internal data */
    38		void		*priv __attribute__((aligned(8)));
    39	};
    40	
    41	#endif /* _XT_CGROUP_H */