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	* from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91			* from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91
	* from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp			* from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _MACHINE_IN_CKSUM_H_			#ifndef _MACHINE_IN_CKSUM_H_
	#define _MACHINE_IN_CKSUM_H_ 1			#define _MACHINE_IN_CKSUM_H_ 1

	#ifndef _SYS_CDEFS_H_
	#error this file needs sys/cdefs.h as a prerequisite
	#endif

	#include <sys/cdefs.h>			#include <sys/cdefs.h>

	#define in_cksum(m, len) in_cksum_skip(m, len, 0)			#define in_cksum(m, len) in_cksum_skip(m, len, 0)

	#ifdef _KERNEL			#ifdef _KERNEL
	#if defined(IPVERSION) && (IPVERSION == 4)			#if defined(IPVERSION) && (IPVERSION == 4)
	u_int in_cksum_hdr(const struct ip *ip);			u_int in_cksum_hdr(const struct ip *ip);
	#endif			#endif
	u_short in_addword(u_short sum, u_short b);			u_short in_addword(u_short sum, u_short b);
	u_short in_pseudo(u_int sum, u_int b, u_int c);			u_short in_pseudo(u_int sum, u_int b, u_int c);
	u_short in_cksum_skip(struct mbuf *m, int len, int skip);			u_short in_cksum_skip(struct mbuf *m, int len, int skip);
	#endif			#endif

	#endif /* _MACHINE_IN_CKSUM_H_ */			#endif /* _MACHINE_IN_CKSUM_H_ */