The C and C++ Include Header Files

/usr/include/linux/netfilter/nf_log.h


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

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _NETFILTER_NF_LOG_H
     3	#define _NETFILTER_NF_LOG_H
     4	
     5	#define NF_LOG_TCPSEQ		0x01	/* Log TCP sequence numbers */
     6	#define NF_LOG_TCPOPT		0x02	/* Log TCP options */
     7	#define NF_LOG_IPOPT		0x04	/* Log IP options */
     8	#define NF_LOG_UID		0x08	/* Log UID owning local socket */
     9	#define NF_LOG_NFLOG		0x10	/* Unsupported, don't reuse */
    10	#define NF_LOG_MACDECODE	0x20	/* Decode MAC header */
    11	#define NF_LOG_MASK		0x2f
    12	
    13	#define NF_LOG_PREFIXLEN	128
    14	
    15	#endif /* _NETFILTER_NF_LOG_H */