doc/ja_JP.eucJP/man/man2/recv.2

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.\"     @(#)recv.2	8.3 (Berkeley) 2/21/94
.\" %FreeBSD: src/lib/libc/sys/recv.2,v 1.8.2.4 2001/03/06 16:46:06 ru Exp %
.\"
.Dd February 21, 1994
.Dt RECV 2
.Os BSD 4.3r
.Sh ̾¾Î
.Nm recv ,
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.Fd #include <sys/types.h>
.Fd #include <sys/socket.h>
.Ft ssize_t
.Fn recv "int s" "void *buf" "size_t len" "int flags"
.Ft ssize_t
.Fn recvfrom "int s" "void *buf" "size_t len" "int flags" "struct sockaddr *from" "socklen_t *fromlen"
.Ft ssize_t
.Fn recvmsg "int s" "struct msghdr *msg" "int flags"
.Sh ²òÀâ
.Fn recvfrom
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struct msghdr {
	caddr_t	msg_name;	/* ¥¢¥É¥ì¥¹(¥ª¥×¥·¥ç¥ó) */
	u_int	msg_namelen;	/* ¥¢¥É¥ì¥¹¤Î¥µ¥¤¥º */
	struct	iovec *msg_iov;	/* ¥¹¥­¥ã¥Ã¥¿/¥®¥ã¥¶¡¼ÇÛÎó */
	u_int	msg_iovlen;	/* msg_iov ¤ÎÍ×ÁÇ¿ô */
	caddr_t	msg_control;	/* Êä½õ¥Ç¡¼¥¿¡¢¸å½Ò */
	u_int	msg_controllen; /* Êä½õ¥Ç¡¼¥¿¤Î¥Ð¥Ã¥Õ¥¡Ä¹ */
	int	msg_flags;	/* ¼õ¿®¤µ¤ì¤¿¥á¥Ã¥»¡¼¥¸¾å¤Î¥Õ¥é¥° */
};
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struct cmsghdr {
	u_int	cmsg_len;	/* ¥Ç¡¼¥¿¥Ð¥¤¥È¥«¥¦¥ó¥È¡¢hdr ¤ò´Þ¤à */
	int	cmsg_level;	/* ¥á¥Ã¥»¡¼¥¸¤òÀ¸À®¤·¤¿¥×¥í¥È¥³¥ë */
	int	cmsg_type;	/* ¥×¥í¥È¥³¥ë¤Ë¸ÇÍ­¤Î¥¿¥¤¥× */
/*	u_char	cmsg_data[]; ¤¬¸å¤Ë³¤¯ */
};
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struct cmsgcred {
	pid_t	cmcred_pid;		/* Á÷¿®¥×¥í¥»¥¹¤Î PID */
	uid_t	cmcred_uid;		/* Á÷¿®¥×¥í¥»¥¹¤Î¼Â UID */
	uid_t	cmcred_euid;		/* Á÷¿®¥×¥í¥»¥¹¤Î¼Â¸ú UID */
	gid_t	cmcred_gid;		/* Á÷¿®¥×¥í¥»¥¹¤Î¼Â GID */
	short	cmcred_ngroups;		/* ¥°¥ë¡¼¥×¤Î¿ô */
	gid_t	cmcred_groups[CMGROUP_MAX];	/* ¥°¥ë¡¼¥× */
};
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