xnu-517.9.4.tar.gz

[apple/xnu.git] / bsd / sys / socket.h

diff --git a/bsd/sys/socket.h b/bsd/sys/socket.h
index b14277293e3091e66b7d1d8995663eb3e24c9c22..957cabb8db51134400d9ad9c65558be10757d54d 100644 (file)
--- a/bsd/sys/socket.h
+++ b/bsd/sys/socket.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.

  *
  * @APPLE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_LICENSE_HEADER_START@
  * 


@@ -54,16 +54,32 @@
  * SUCH DAMAGE.
  *
  *     @(#)socket.h    8.4 (Berkeley) 2/21/94
  * SUCH DAMAGE.
  *
  *     @(#)socket.h    8.4 (Berkeley) 2/21/94

+ * $FreeBSD: src/sys/sys/socket.h,v 1.39.2.7 2001/07/03 11:02:01 ume Exp $

  */
 
 #ifndef _SYS_SOCKET_H_
 #define        _SYS_SOCKET_H_
 
  */
 
 #ifndef _SYS_SOCKET_H_
 #define        _SYS_SOCKET_H_
 

+#ifndef __APPLE__
+#include <machine/ansi.h>
+#endif
+#define _NO_NAMESPACE_POLLUTION
+#include <machine/param.h>
+#undef _NO_NAMESPACE_POLLUTION

 
 /*
  * Definitions related to sockets: types, address families, options.
  */
 
 
 /*
  * Definitions related to sockets: types, address families, options.
  */
 

+/*
+ * Data types.
+ */
+typedef u_char         sa_family_t;
+#ifdef _BSD_SOCKLEN_T_
+typedef        _BSD_SOCKLEN_T_ socklen_t;
+#undef _BSD_SOCKLEN_T_
+#endif
+ 

 /*
  * Types
  */
 /*
  * Types
  */


@@ -87,11 +103,14 @@
 #define        SO_OOBINLINE    0x0100          /* leave received OOB data in line */
 #define        SO_REUSEPORT    0x0200          /* allow local address & port reuse */
 #define        SO_TIMESTAMP    0x0400          /* timestamp received dgram traffic */
 #define        SO_OOBINLINE    0x0100          /* leave received OOB data in line */
 #define        SO_REUSEPORT    0x0200          /* allow local address & port reuse */
 #define        SO_TIMESTAMP    0x0400          /* timestamp received dgram traffic */

-
+#ifndef __APPLE__
+#define        SO_ACCEPTFILTER 0x1000          /* there is an accept filter */
+#else

 #define SO_DONTTRUNC   0x2000          /* APPLE: Retain unread data */
                                        /*  (ATOMIC proto) */
 #define SO_DONTTRUNC   0x2000          /* APPLE: Retain unread data */
                                        /*  (ATOMIC proto) */

-#define SO_WANTMORE    0x4000          /* APPLE: Give hint when more data ready */
-#define SO_WANTOOBFLAG  0x8000          /* APPLE: Want OOB in MSG_FLAG on receive */
+#define SO_WANTMORE            0x4000          /* APPLE: Give hint when more data ready */
+#define SO_WANTOOBFLAG 0x8000          /* APPLE: Want OOB in MSG_FLAG on receive */
+#endif

 
 /*
  * Additional options, not kept in so_options.
 
 /*
  * Additional options, not kept in so_options.


@@ -104,10 +123,13 @@
 #define SO_RCVTIMEO    0x1006          /* receive timeout */
 #define        SO_ERROR        0x1007          /* get error status and clear */
 #define        SO_TYPE         0x1008          /* get socket type */
 #define SO_RCVTIMEO    0x1006          /* receive timeout */
 #define        SO_ERROR        0x1007          /* get error status and clear */
 #define        SO_TYPE         0x1008          /* get socket type */

-#define        SO_PRIVSTATE    0x1009          /* get/deny privileged state */
+/*efine        SO_PRIVSTATE    0x1009             get/deny privileged state */
+#ifdef __APPLE__

 #define SO_NREAD       0x1020          /* APPLE: get 1st-packet byte count */
 #define SO_NKE         0x1021          /* APPLE: Install socket-level NKE */
 #define SO_NREAD       0x1020          /* APPLE: get 1st-packet byte count */
 #define SO_NKE         0x1021          /* APPLE: Install socket-level NKE */

-
+#define SO_NOSIGPIPE   0x1022          /* APPLE: No SIGPIPE on EPIPE */
+#define SO_NOADDRERR   0x1023          /* APPLE: Returns EADDRNOTAVAIL when src is not available anymore */
+#endif

 /*
  * Structure used for manipulating linger option.
  */
 /*
  * Structure used for manipulating linger option.
  */


@@ -116,6 +138,13 @@ struct     linger {
        int     l_linger;               /* linger time */
 };
 
        int     l_linger;               /* linger time */
 };
 

+#ifndef __APPLE__
+struct accept_filter_arg {
+       char    af_name[16];
+       char    af_arg[256-16];
+};
+#endif
+

 /*
  * Level number for (get/set)sockopt() to apply to socket itself.
  */
 /*
  * Level number for (get/set)sockopt() to apply to socket itself.
  */


@@ -125,7 +154,7 @@ struct      linger {
  * Address families.
  */
 #define        AF_UNSPEC       0               /* unspecified */
  * Address families.
  */
 #define        AF_UNSPEC       0               /* unspecified */

-#define        AF_LOCAL        1               /* local to host (pipes, portals) */
+#define        AF_LOCAL        1               /* local to host (pipes) */

 #define        AF_UNIX         AF_LOCAL        /* backward compatibility */
 #define        AF_INET         2               /* internetwork: UDP, TCP, etc. */
 #define        AF_IMPLINK      3               /* arpanet imp addresses */
 #define        AF_UNIX         AF_LOCAL        /* backward compatibility */
 #define        AF_INET         2               /* internetwork: UDP, TCP, etc. */
 #define        AF_IMPLINK      3               /* arpanet imp addresses */


@@ -134,7 +163,7 @@ struct      linger {
 #define        AF_NS           6               /* XEROX NS protocols */
 #define        AF_ISO          7               /* ISO protocols */
 #define        AF_OSI          AF_ISO
 #define        AF_NS           6               /* XEROX NS protocols */
 #define        AF_ISO          7               /* ISO protocols */
 #define        AF_OSI          AF_ISO

-#define        AF_ECMA         8               /* european computer manufacturers */
+#define        AF_ECMA         8               /* European computer manufacturers */

 #define        AF_DATAKIT      9               /* datakit protocols */
 #define        AF_CCITT        10              /* CCITT protocols, X.25 etc */
 #define        AF_SNA          11              /* IBM SNA */
 #define        AF_DATAKIT      9               /* datakit protocols */
 #define        AF_CCITT        10              /* CCITT protocols, X.25 etc */
 #define        AF_SNA          11              /* IBM SNA */


@@ -152,20 +181,29 @@ struct    linger {
 #define        AF_IPX          23              /* Novell Internet Protocol */
 #define        AF_SIP          24              /* Simple Internet Protocol */
 #define pseudo_AF_PIP  25              /* Help Identify PIP packets */
 #define        AF_IPX          23              /* Novell Internet Protocol */
 #define        AF_SIP          24              /* Simple Internet Protocol */
 #define pseudo_AF_PIP  25              /* Help Identify PIP packets */

-                                       /* Sigh - The following 2 should */
-                                       /*  be maintained for MacOSX */
-                                       /*  binary compatibility */
-#define pseudo_AF_BLUE 26              /* Identify packets for Blue Box */
+#ifdef __APPLE__
+/*define pseudo_AF_BLUE        26         Identify packets for Blue Box - Not used */

 #define AF_NDRV                27              /* Network Driver 'raw' access */
 #define AF_NDRV                27              /* Network Driver 'raw' access */

+#endif

 #define        AF_ISDN         28              /* Integrated Services Digital Network*/
 #define        AF_E164         AF_ISDN         /* CCITT E.164 recommendation */
 #define        pseudo_AF_KEY   29              /* Internal key-management function */
 #define        AF_INET6        30              /* IPv6 */
 #define        AF_NATM         31              /* native ATM access */
 #define        AF_ISDN         28              /* Integrated Services Digital Network*/
 #define        AF_E164         AF_ISDN         /* CCITT E.164 recommendation */
 #define        pseudo_AF_KEY   29              /* Internal key-management function */
 #define        AF_INET6        30              /* IPv6 */
 #define        AF_NATM         31              /* native ATM access */

-#define AF_SYSTEM      32              /* Kernel event messages */
+#ifdef __APPLE__
+#define AF_SYSTEM      32              /* Kernel event messages */

 #define AF_NETBIOS     33              /* NetBIOS */
 #define AF_NETBIOS     33              /* NetBIOS */

-
-#define        AF_MAX          34
+#define AF_PPP         34              /* PPP communication protocol */
+#else
+#define        AF_ATM          30              /* ATM */
+#endif
+#define pseudo_AF_HDRCMPLT 35          /* Used by BPF to not rewrite headers
+                                        * in interface output routine
+                                        */
+#ifndef __APPLE__
+#define        AF_NETGRAPH     32              /* Netgraph sockets */
+#endif
+#define        AF_MAX          36

 
 /*
  * Structure used by kernel to store most
 
 /*
  * Structure used by kernel to store most


@@ -174,7 +212,7 @@ struct      linger {
 struct sockaddr {
        u_char  sa_len;                 /* total length */
        u_char  sa_family;              /* address family */
 struct sockaddr {
        u_char  sa_len;                 /* total length */
        u_char  sa_family;              /* address family */

-       char    sa_data[14];            /* actually longer; address value */
+       char            sa_data[14];            /* actually longer; address value */

 };
 #define        SOCK_MAXADDRLEN 255             /* longest possible addresses */
 
 };
 #define        SOCK_MAXADDRLEN 255             /* longest possible addresses */
 


@@ -187,24 +225,22 @@ struct sockproto {
        u_short sp_protocol;            /* protocol */
 };
 
        u_short sp_protocol;            /* protocol */
 };
 

-#if 1

 /*
 /*

- * bsd-api-new-02a: protocol-independent placeholder for socket addresses
+ * RFC 2553: protocol-independent placeholder for socket addresses

  */
  */

-#define _SS_MAXSIZE    128
-#define _SS_ALIGNSIZE  (sizeof(int64_t))
-#define _SS_PAD1SIZE   (_SS_ALIGNSIZE - sizeof(u_char) * 2)
-#define _SS_PAD2SIZE   (_SS_MAXSIZE - sizeof(u_char) * 2 - \
+#define        _SS_MAXSIZE     128
+#define        _SS_ALIGNSIZE   (sizeof(int64_t))
+#define        _SS_PAD1SIZE    (_SS_ALIGNSIZE - sizeof(u_char) - sizeof(sa_family_t))
+#define        _SS_PAD2SIZE    (_SS_MAXSIZE - sizeof(u_char) - sizeof(sa_family_t) - \

                                _SS_PAD1SIZE - _SS_ALIGNSIZE)
 
 struct sockaddr_storage {
                                _SS_PAD1SIZE - _SS_ALIGNSIZE)
 
 struct sockaddr_storage {

-       u_char ss_len;          /* address length */
-       u_char ss_family;       /* address family */
-       char _ss_pad1[_SS_PAD1SIZE];
-       int64_t _ss_align;      /* force desired structure storage alignment */
-       char _ss_pad2[_SS_PAD2SIZE];
+       u_char          ss_len;         /* address length */
+       sa_family_t     ss_family;      /* address family */
+       char                    __ss_pad1[_SS_PAD1SIZE];
+       int64_t         __ss_align;     /* force desired structure storage alignment */
+       char                    __ss_pad2[_SS_PAD2SIZE];

 };
 };

-#endif

 
 /*
  * Protocol families, same as address families for now.
 
 /*
  * Protocol families, same as address families for now.


@@ -213,7 +249,6 @@ struct sockaddr_storage {
 #define        PF_LOCAL        AF_LOCAL
 #define        PF_UNIX         PF_LOCAL        /* backward compatibility */
 #define        PF_INET         AF_INET
 #define        PF_LOCAL        AF_LOCAL
 #define        PF_UNIX         PF_LOCAL        /* backward compatibility */
 #define        PF_INET         AF_INET

-#define        PF_INET6        AF_INET6

 #define        PF_IMPLINK      AF_IMPLINK
 #define        PF_PUP          AF_PUP
 #define        PF_CHAOS        AF_CHAOS
 #define        PF_IMPLINK      AF_IMPLINK
 #define        PF_PUP          AF_PUP
 #define        PF_CHAOS        AF_CHAOS


@@ -238,15 +273,21 @@ struct sockaddr_storage {
 #define        PF_IPX          AF_IPX          /* same format as AF_NS */
 #define PF_RTIP                pseudo_AF_RTIP  /* same format as AF_INET */
 #define PF_PIP         pseudo_AF_PIP
 #define        PF_IPX          AF_IPX          /* same format as AF_NS */
 #define PF_RTIP                pseudo_AF_RTIP  /* same format as AF_INET */
 #define PF_PIP         pseudo_AF_PIP

-
+#ifdef __APPLE__

 #define PF_NDRV                AF_NDRV
 #define PF_NDRV                AF_NDRV

+#endif

 #define        PF_ISDN         AF_ISDN
 #define        PF_KEY          pseudo_AF_KEY
 #define        PF_INET6        AF_INET6
 #define        PF_NATM         AF_NATM
 #define        PF_ISDN         AF_ISDN
 #define        PF_KEY          pseudo_AF_KEY
 #define        PF_INET6        AF_INET6
 #define        PF_NATM         AF_NATM

-#define        PF_ATM          AF_ATM
+#ifdef __APPLE__

 #define PF_SYSTEM      AF_SYSTEM
 #define PF_NETBIOS     AF_NETBIOS
 #define PF_SYSTEM      AF_SYSTEM
 #define PF_NETBIOS     AF_NETBIOS

+#define PF_PPP         AF_PPP
+#else
+#define        PF_ATM          AF_ATM
+#define        PF_NETGRAPH     AF_NETGRAPH
+#endif

 
 #define        PF_MAX          AF_MAX
 
 
 #define        PF_MAX          AF_MAX
 


@@ -287,10 +328,16 @@ struct sockaddr_storage {
        { "ipx", CTLTYPE_NODE }, \
        { "sip", CTLTYPE_NODE }, \
        { "pip", CTLTYPE_NODE }, \
        { "ipx", CTLTYPE_NODE }, \
        { "sip", CTLTYPE_NODE }, \
        { "pip", CTLTYPE_NODE }, \

+       { 0, 0 }, \
+       { "ndrv", CTLTYPE_NODE }, \

        { "isdn", CTLTYPE_NODE }, \
        { "key", CTLTYPE_NODE }, \
        { "inet6", CTLTYPE_NODE }, \
        { "natm", CTLTYPE_NODE }, \
        { "isdn", CTLTYPE_NODE }, \
        { "key", CTLTYPE_NODE }, \
        { "inet6", CTLTYPE_NODE }, \
        { "natm", CTLTYPE_NODE }, \

+       { "sys", CTLTYPE_NODE }, \
+       { "netbios", CTLTYPE_NODE }, \
+       { "ppp", CTLTYPE_NODE }, \
+       { "hdrcomplete", CTLTYPE_NODE }, \

 }
 
 /*
 }
 
 /*


@@ -323,13 +370,13 @@ struct sockaddr_storage {
  * Used value-result for recvmsg, value only for sendmsg.
  */
 struct msghdr {
  * Used value-result for recvmsg, value only for sendmsg.
  */
 struct msghdr {

-       caddr_t msg_name;               /* optional address */
-       u_int   msg_namelen;            /* size of address */
-       struct  iovec *msg_iov;         /* scatter/gather array */
-       u_int   msg_iovlen;             /* # elements in msg_iov */
-       caddr_t msg_control;            /* ancillary data, see below */
-       u_int   msg_controllen;         /* ancillary data buffer len */
-       int     msg_flags;              /* flags on received message */
+       caddr_t         msg_name;               /* optional address */
+       socklen_t       msg_namelen;            /* size of address */
+       struct          iovec *msg_iov;         /* scatter/gather array */
+       u_int           msg_iovlen;             /* # elements in msg_iov */
+       caddr_t         msg_control;            /* ancillary data, see below */
+       socklen_t       msg_controllen;         /* ancillary data buffer len */
+       int             msg_flags;              /* flags on received message */

 };
 
 #define        MSG_OOB         0x1             /* process out-of-band data */
 };
 
 #define        MSG_OOB         0x1             /* process out-of-band data */


@@ -341,12 +388,16 @@ struct msghdr {
 #define        MSG_WAITALL     0x40            /* wait for full request or error */
 #define        MSG_DONTWAIT    0x80            /* this message should be nonblocking */
 #define        MSG_EOF         0x100           /* data completes connection */
 #define        MSG_WAITALL     0x40            /* wait for full request or error */
 #define        MSG_DONTWAIT    0x80            /* this message should be nonblocking */
 #define        MSG_EOF         0x100           /* data completes connection */

+#ifdef __APPLE__
+#define MSG_WAITSTREAM  0x200           /* wait up to full request.. may return partial */

 #define MSG_FLUSH      0x400           /* Start of 'hold' seq; dump so_temp */
 #define MSG_HOLD       0x800           /* Hold frag in so_temp */
 #define MSG_SEND       0x1000          /* Send the packet in so_temp */
 #define MSG_HAVEMORE   0x2000          /* Data ready to be read */
 #define MSG_RCVMORE    0x4000          /* Data remains in current pkt */
 #define MSG_FLUSH      0x400           /* Start of 'hold' seq; dump so_temp */
 #define MSG_HOLD       0x800           /* Hold frag in so_temp */
 #define MSG_SEND       0x1000          /* Send the packet in so_temp */
 #define MSG_HAVEMORE   0x2000          /* Data ready to be read */
 #define MSG_RCVMORE    0x4000          /* Data remains in current pkt */

+#endif

 #define MSG_COMPAT      0x8000         /* used in sendit() */
 #define MSG_COMPAT      0x8000         /* used in sendit() */

+#define MSG_NEEDSA     0x10000         /* Fail receive if socket address cannot be allocated */

 
 /*
  * Header for ancillary data objects in msg_control buffer.
 
 /*
  * Header for ancillary data objects in msg_control buffer.


@@ -355,32 +406,59 @@ struct msghdr {
  * of message elements headed by cmsghdr structures.
  */
 struct cmsghdr {
  * of message elements headed by cmsghdr structures.
  */
 struct cmsghdr {

-       u_int   cmsg_len;               /* data byte count, including hdr */
-       int     cmsg_level;             /* originating protocol */
-       int     cmsg_type;              /* protocol-specific type */
+       socklen_t       cmsg_len;               /* data byte count, including hdr */
+       int             cmsg_level;             /* originating protocol */
+       int             cmsg_type;              /* protocol-specific type */

 /* followed by u_char  cmsg_data[]; */
 };
 
 /* followed by u_char  cmsg_data[]; */
 };
 

-/* given pointer to struct cmsghdr, return pointer to data */
-#define        CMSG_DATA(cmsg)         ((u_char *)((cmsg) + 1))
+#ifndef __APPLE__
+/*
+ * While we may have more groups than this, the cmsgcred struct must
+ * be able to fit in an mbuf, and NGROUPS_MAX is too large to allow
+ * this.
+*/
+#define CMGROUP_MAX 16

 
 

-/* Alignment requirement for CMSG struct manipulation.
- * This is different from ALIGN() defined in ARCH/include/param.h.
- * XXX think again carefully about architecture dependencies.
+/*
+ * Credentials structure, used to verify the identity of a peer
+ * process that has sent us a message. This is allocated by the
+ * peer process but filled in by the kernel. This prevents the
+ * peer from lying about its identity. (Note that cmcred_groups[0]
+ * is the effective GID.)

  */
  */

-#define CMSG_ALIGN(n)          (((n) + 3) & ~3)
+struct cmsgcred {
+       pid_t   cmcred_pid;             /* PID of sending process */
+       uid_t   cmcred_uid;             /* real UID of sending process */
+       uid_t   cmcred_euid;            /* effective UID of sending process */
+       gid_t   cmcred_gid;             /* real GID of sending process */
+       short   cmcred_ngroups;         /* number or groups */
+       gid_t   cmcred_groups[CMGROUP_MAX];     /* groups */
+};
+#endif
+
+/* given pointer to struct cmsghdr, return pointer to data */
+#define        CMSG_DATA(cmsg)         ((u_char *)(cmsg) + \
+                                ALIGN(sizeof(struct cmsghdr)))

 
 /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
 #define        CMSG_NXTHDR(mhdr, cmsg) \
 
 /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
 #define        CMSG_NXTHDR(mhdr, cmsg) \

-       (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \
-           (mhdr)->msg_control + (mhdr)->msg_controllen) ? \
+       (((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len) + \
+         ALIGN(sizeof(struct cmsghdr)) > \
+           (caddr_t)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \

            (struct cmsghdr *)NULL : \
            (struct cmsghdr *)NULL : \

-           (struct cmsghdr *)((caddr_t)(cmsg) + CMSG_ALIGN((cmsg)->cmsg_len)))
+           (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len)))

 
 #define        CMSG_FIRSTHDR(mhdr)     ((struct cmsghdr *)(mhdr)->msg_control)
 
 
 #define        CMSG_FIRSTHDR(mhdr)     ((struct cmsghdr *)(mhdr)->msg_control)
 

-#define CMSG_SPACE(l)  (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
-#define CMSG_LEN(l)    (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
+/* RFC 2292 additions */
+       
+#define        CMSG_SPACE(l)           (ALIGN(sizeof(struct cmsghdr)) + ALIGN(l))
+#define        CMSG_LEN(l)             (ALIGN(sizeof(struct cmsghdr)) + (l))
+
+#ifdef KERNEL
+#define        CMSG_ALIGN(n)   ALIGN(n)
+#endif

 
 /* "Socket"-level control message types: */
 #define        SCM_RIGHTS      0x01            /* access rights (array of int) */
 
 /* "Socket"-level control message types: */
 #define        SCM_RIGHTS      0x01            /* access rights (array of int) */


@@ -431,28 +509,31 @@ struct sf_hdtr {
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS

-int    accept __P((int, struct sockaddr *, int *));
-int    bind __P((int, const struct sockaddr *, int));
-int    connect __P((int, const struct sockaddr *, int));
-int    getpeername __P((int, struct sockaddr *, int *));
-int    getsockname __P((int, struct sockaddr *, int *));
+int    accept __P((int, struct sockaddr *, socklen_t *));
+int    bind __P((int, const struct sockaddr *, socklen_t));
+int    connect __P((int, const struct sockaddr *, socklen_t));
+int    getpeername __P((int, struct sockaddr *, socklen_t *));
+int    getsockname __P((int, struct sockaddr *, socklen_t *));

 int    getsockopt __P((int, int, int, void *, int *));
 int    listen __P((int, int));
 ssize_t        recv __P((int, void *, size_t, int));
 int    getsockopt __P((int, int, int, void *, int *));
 int    listen __P((int, int));
 ssize_t        recv __P((int, void *, size_t, int));

-ssize_t        recvfrom __P((int, void *, size_t, int, struct sockaddr *, int *));
+ssize_t        recvfrom __P((int, void *, size_t, int, struct sockaddr *, socklen_t *));

 ssize_t        recvmsg __P((int, struct msghdr *, int));
 ssize_t        send __P((int, const void *, size_t, int));
 ssize_t        sendto __P((int, const void *,
 ssize_t        recvmsg __P((int, struct msghdr *, int));
 ssize_t        send __P((int, const void *, size_t, int));
 ssize_t        sendto __P((int, const void *,

-           size_t, int, const struct sockaddr *, int));
+           size_t, int, const struct sockaddr *, socklen_t));

 ssize_t        sendmsg __P((int, const struct msghdr *, int));
 #if SENDFILE
 int    sendfile __P((int, int, off_t, size_t, struct sf_hdtr *, off_t *, int));
 #endif
 ssize_t        sendmsg __P((int, const struct msghdr *, int));
 #if SENDFILE
 int    sendfile __P((int, int, off_t, size_t, struct sf_hdtr *, off_t *, int));
 #endif

-int    setsockopt __P((int, int, int, const void *, int));
+int    setsockopt __P((int, int, int, const void *, socklen_t));

 int    shutdown __P((int, int));
 int    socket __P((int, int, int));
 int    socketpair __P((int, int, int, int *));
 int    shutdown __P((int, int));
 int    socket __P((int, int, int));
 int    socketpair __P((int, int, int, int *));

+
+void   pfctlinput __P((int, struct sockaddr *));

 __END_DECLS
 
 #endif /* !KERNEL */
 __END_DECLS
 
 #endif /* !KERNEL */

+

 #endif /* !_SYS_SOCKET_H_ */
 #endif /* !_SYS_SOCKET_H_ */