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Diff for /src/sys/sys/socket.h between version 1.23 and 1.67.2.1

version 1.23, 1997/05/02 19:02:02 version 1.67.2.1, 2004/08/03 10:56:30
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 /*      $NetBSD$        */  /*      $NetBSD$        */
   
 /*  /*
    * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    * 1. Redistributions of source code must retain the above copyright
    *    notice, this list of conditions and the following disclaimer.
    * 2. Redistributions in binary form must reproduce the above copyright
    *    notice, this list of conditions and the following disclaimer in the
    *    documentation and/or other materials provided with the distribution.
    * 3. Neither the name of the project nor the names of its contributors
    *    may be used to endorse or promote products derived from this software
    *    without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
    * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    * SUCH DAMAGE.
    */
   
   /*
  * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994   * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
  *      The Regents of the University of California.  All rights reserved.   *      The Regents of the University of California.  All rights reserved.
  *   *
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  * 2. Redistributions in binary form must reproduce the above copyright   * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the   *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.   *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software   * 3. Neither the name of the University nor the names of its contributors
  *    must display the following acknowledgement:  
  *      This product includes software developed by the University of  
  *      California, Berkeley and its contributors.  
  * 4. Neither the name of the University nor the names of its contributors  
  *    may be used to endorse or promote products derived from this software   *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.   *    without specific prior written permission.
  *   *
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  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.   * SUCH DAMAGE.
  *   *
  *      @(#)socket.h    8.4 (Berkeley) 2/21/94   *      @(#)socket.h    8.6 (Berkeley) 5/3/95
  */   */
   
 #ifndef _SYS_SOCKET_H_  #ifndef _SYS_SOCKET_H_
 #define _SYS_SOCKET_H_  #define _SYS_SOCKET_H_
   
   #include <sys/featuretest.h>
   
 /*  /*
  * Definitions related to sockets: types, address families, options.   * Definitions related to sockets: types, address families, options.
  */   */
   
 /*  /*
  * Types   * Data types.
    */
   #include <sys/ansi.h>
   
   #ifndef sa_family_t
   typedef __sa_family_t   sa_family_t;
   #define sa_family_t     __sa_family_t
   #endif
   
   #ifndef socklen_t
   typedef __socklen_t     socklen_t;
   #define socklen_t       __socklen_t
   #endif
   
   #include <machine/ansi.h>
   
   #ifdef  _BSD_SIZE_T_
   typedef _BSD_SIZE_T_    size_t;
   #undef  _BSD_SIZE_T_
   #endif
   
   #ifdef  _BSD_SSIZE_T_
   typedef _BSD_SSIZE_T_   ssize_t;
   #undef  _BSD_SSIZE_T_
   #endif
   
   #include <sys/uio.h>
   
   /*
    * Socket types.
  */   */
 #define SOCK_STREAM     1               /* stream socket */  #define SOCK_STREAM     1               /* stream socket */
 #define SOCK_DGRAM      2               /* datagram socket */  #define SOCK_DGRAM      2               /* datagram socket */
Line 83 
Line 139 
  */   */
 struct  linger {  struct  linger {
         int     l_onoff;                /* option on/off */          int     l_onoff;                /* option on/off */
         int     l_linger;               /* linger time */          int     l_linger;               /* linger time in seconds */
 };  };
   
 /*  /*
Line 115  struct linger {
Line 171  struct linger {
 #define AF_APPLETALK    16              /* Apple Talk */  #define AF_APPLETALK    16              /* Apple Talk */
 #define AF_ROUTE        17              /* Internal Routing Protocol */  #define AF_ROUTE        17              /* Internal Routing Protocol */
 #define AF_LINK         18              /* Link layer interface */  #define AF_LINK         18              /* Link layer interface */
   #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_XTP   19              /* eXpress Transfer Protocol (no AF) */  #define pseudo_AF_XTP   19              /* eXpress Transfer Protocol (no AF) */
   #endif
 #define AF_COIP         20              /* connection-oriented IP, aka ST II */  #define AF_COIP         20              /* connection-oriented IP, aka ST II */
 #define AF_CNT          21              /* Computer Network Technology */  #define AF_CNT          21              /* Computer Network Technology */
   #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_RTIP  22              /* Help Identify RTIP packets */  #define pseudo_AF_RTIP  22              /* Help Identify RTIP packets */
   #endif
 #define AF_IPX          23              /* Novell Internet Protocol */  #define AF_IPX          23              /* Novell Internet Protocol */
 #define AF_INET6        24              /* IP version 6 */  #define AF_INET6        24              /* IP version 6 */
   #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_PIP   25              /* Help Identify PIP packets */  #define pseudo_AF_PIP   25              /* Help Identify PIP packets */
   #endif
 #define AF_ISDN         26              /* Integrated Services Digital Network*/  #define AF_ISDN         26              /* Integrated Services Digital Network*/
 #define AF_E164         AF_ISDN         /* CCITT E.164 recommendation */  #define AF_E164         AF_ISDN         /* CCITT E.164 recommendation */
 #define AF_NATM         27              /* native ATM access */  #define AF_NATM         27              /* native ATM access */
 #define AF_ARP          28              /* (rev.) addr. res. prot. (RFC 826) */  #define AF_ARP          28              /* (rev.) addr. res. prot. (RFC 826) */
   #if defined(_NETBSD_SOURCE)
 #define pseudo_AF_KEY   29              /* Internal key management protocol  */  #define pseudo_AF_KEY   29              /* Internal key management protocol  */
   #define pseudo_AF_HDRCMPLT 30           /* Used by BPF to not rewrite hdrs
                                              in interface output routine */
   #endif
   
 #define AF_MAX          30  #define AF_MAX          31
   
 /*  /*
  * Structure used by kernel to store most   * Structure used by kernel to store most
  * addresses.   * addresses.
  */   */
 struct sockaddr {  struct sockaddr {
         u_char  sa_len;                 /* total length */          __uint8_t       sa_len;         /* total length */
         u_char  sa_family;              /* address family */          sa_family_t     sa_family;      /* address family */
         char    sa_data[14];            /* actually longer; address value */          char            sa_data[14];    /* actually longer; address value */
 };  };
   
   #if defined(_KERNEL)
 /*  /*
  * Structure used by kernel to pass protocol   * Structure used by kernel to pass protocol
  * information in raw sockets.   * information in raw sockets.
Line 148  struct sockproto {
Line 215  struct sockproto {
         u_short sp_family;              /* address family */          u_short sp_family;              /* address family */
         u_short sp_protocol;            /* protocol */          u_short sp_protocol;            /* protocol */
 };  };
   #endif /* _KERNEL */
   
   #if 1
   /*
    * RFC 2553: protocol-independent placeholder for socket addresses
    */
   #define _SS_MAXSIZE     128
   #define _SS_ALIGNSIZE   (sizeof(__int64_t))
   #define _SS_PAD1SIZE    (_SS_ALIGNSIZE - 2)
   #define _SS_PAD2SIZE    (_SS_MAXSIZE - 2 - \
                                   _SS_PAD1SIZE - _SS_ALIGNSIZE)
   
   #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
   struct sockaddr_storage {
           __uint8_t       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 /* _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
   #endif /* 1 */
   
 /*  /*
  * Protocol families, same as address families for now.   * Protocol families, same as address families for now.
Line 173  struct sockproto {
Line 262  struct sockproto {
 #define PF_APPLETALK    AF_APPLETALK  #define PF_APPLETALK    AF_APPLETALK
 #define PF_ROUTE        AF_ROUTE  #define PF_ROUTE        AF_ROUTE
 #define PF_LINK         AF_LINK  #define PF_LINK         AF_LINK
   #if defined(_NETBSD_SOURCE)
 #define PF_XTP          pseudo_AF_XTP   /* really just proto family, no AF */  #define PF_XTP          pseudo_AF_XTP   /* really just proto family, no AF */
   #endif
 #define PF_COIP         AF_COIP  #define PF_COIP         AF_COIP
 #define PF_CNT          AF_CNT  #define PF_CNT          AF_CNT
 #define PF_INET6        AF_INET6  #define PF_INET6        AF_INET6
 #define PF_IPX          AF_IPX          /* same format as AF_NS */  #define PF_IPX          AF_IPX          /* same format as AF_NS */
   #if defined(_NETBSD_SOURCE)
 #define PF_RTIP         pseudo_AF_FTIP  /* same format as AF_INET */  #define PF_RTIP         pseudo_AF_FTIP  /* same format as AF_INET */
 #define PF_PIP          pseudo_AF_PIP  #define PF_PIP          pseudo_AF_PIP
   #endif
 #define PF_ISDN         AF_ISDN         /* same as E164 */  #define PF_ISDN         AF_ISDN         /* same as E164 */
 #define PF_E164         AF_E164  #define PF_E164         AF_E164
 #define PF_NATM         AF_NATM  #define PF_NATM         AF_NATM
 #define PF_ARP          AF_ARP  #define PF_ARP          AF_ARP
   #if defined(_NETBSD_SOURCE)
 #define PF_KEY          pseudo_AF_KEY   /* like PF_ROUTE, only for key mgmt */  #define PF_KEY          pseudo_AF_KEY   /* like PF_ROUTE, only for key mgmt */
   #endif
   
 #define PF_MAX          AF_MAX  #define PF_MAX          AF_MAX
   
   #if defined(_NETBSD_SOURCE)
   
   #ifndef gid_t
   typedef __gid_t         gid_t;          /* group id */
   #define gid_t           __gid_t
   #endif
   
   #ifndef uid_t
   typedef __uid_t         uid_t;          /* user id */
   #define uid_t           __uid_t
   #endif
   
   /*
    * Socket credentials.
    */
   struct sockcred {
           uid_t   sc_uid;                 /* real user id */
           uid_t   sc_euid;                /* effective user id */
           gid_t   sc_gid;                 /* real group id */
           gid_t   sc_egid;                /* effective group id */
           int     sc_ngroups;             /* number of supplemental groups */
           gid_t   sc_groups[1];           /* variable length */
   };
   
   /*
    * Compute size of a sockcred structure with groups.
    */
   #define SOCKCREDSIZE(ngrps) \
           (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
   #endif /* _NETBSD_SOURCE */
   
   
   #if defined(_NETBSD_SOURCE)
 /*  /*
  * Definitions for network related sysctl, CTL_NET.   * Definitions for network related sysctl, CTL_NET.
  *   *
Line 200  struct sockproto {
Line 328  struct sockproto {
   
 #define CTL_NET_NAMES { \  #define CTL_NET_NAMES { \
         { 0, 0 }, \          { 0, 0 }, \
         { "unix", CTLTYPE_NODE }, \          { "local", CTLTYPE_NODE }, \
         { "inet", CTLTYPE_NODE }, \          { "inet", CTLTYPE_NODE }, \
         { "implink", CTLTYPE_NODE }, \          { "implink", CTLTYPE_NODE }, \
         { "pup", CTLTYPE_NODE }, \          { "pup", CTLTYPE_NODE }, \
Line 230  struct sockproto {
Line 358  struct sockproto {
         { "arp", CTLTYPE_NODE }, \          { "arp", CTLTYPE_NODE }, \
         { "key", CTLTYPE_NODE }, \          { "key", CTLTYPE_NODE }, \
 }  }
   #endif /* _NETBSD_SOURCE */
   
   #if defined(_NETBSD_SOURCE)
 /*  /*
  * PF_ROUTE - Routing table   * PF_ROUTE - Routing table
  *   *
Line 241  struct sockproto {
Line 371  struct sockproto {
  */   */
 #define NET_RT_DUMP     1               /* dump; may limit to a.f. */  #define NET_RT_DUMP     1               /* dump; may limit to a.f. */
 #define NET_RT_FLAGS    2               /* by flags, e.g. RESOLVING */  #define NET_RT_FLAGS    2               /* by flags, e.g. RESOLVING */
 #define NET_RT_IFLIST   3               /* survey interface list */  #define NET_RT_OIFLIST  3               /* old NET_RT_IFLIST (pre 1.5) */
 #define NET_RT_MAXID    4  #define NET_RT_IFLIST   4               /* survey interface list */
   #define NET_RT_MAXID    5
   
 #define CTL_NET_RT_NAMES { \  #define CTL_NET_RT_NAMES { \
         { 0, 0 }, \          { 0, 0 }, \
         { "dump", CTLTYPE_STRUCT }, \          { "dump", CTLTYPE_STRUCT }, \
         { "flags", CTLTYPE_STRUCT }, \          { "flags", CTLTYPE_STRUCT }, \
           { 0, 0 }, \
         { "iflist", CTLTYPE_STRUCT }, \          { "iflist", CTLTYPE_STRUCT }, \
 }  }
   #endif /* _NETBSD_SOURCE */
   
 /*  /*
  * Maximum queue length specifiable by listen(2).   * Maximum queue length specifiable by listen(2).
  */   */
   #ifndef SOMAXCONN
 #define SOMAXCONN       128  #define SOMAXCONN       128
   #endif
   
 /*  /*
  * Message header for recvmsg and sendmsg calls.   * Message header for recvmsg and sendmsg calls.
  * Used value-result for recvmsg, value only for sendmsg.   * Used value-result for recvmsg, value only for sendmsg.
  */   */
 struct msghdr {  struct msghdr {
         caddr_t msg_name;               /* optional address */          void            *msg_name;      /* optional address */
         u_int   msg_namelen;            /* size of address */          socklen_t       msg_namelen;    /* size of address */
         struct  iovec *msg_iov;         /* scatter/gather array */          struct iovec    *msg_iov;       /* scatter/gather array */
         u_int   msg_iovlen;             /* # elements in msg_iov */          int             msg_iovlen;     /* # elements in msg_iov */
         caddr_t msg_control;            /* ancillary data, see below */          void            *msg_control;   /* ancillary data, see below */
         u_int   msg_controllen;         /* ancillary data buffer len */          socklen_t       msg_controllen; /* ancillary data buffer len */
         int     msg_flags;              /* flags on received message */          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 */
Line 279  struct msghdr {
Line 413  struct msghdr {
 #define MSG_CTRUNC      0x20            /* control data lost before delivery */  #define MSG_CTRUNC      0x20            /* control data lost before delivery */
 #define MSG_WAITALL     0x40            /* wait for full request or error */  #define MSG_WAITALL     0x40            /* wait for full request or error */
 #define MSG_DONTWAIT    0x80            /* this message should be nonblocking */  #define MSG_DONTWAIT    0x80            /* this message should be nonblocking */
   #define MSG_BCAST       0x100           /* this message was rcvd using link-level brdcst */
   #define MSG_MCAST       0x200           /* this message was rcvd using link-level mcast */
   
 /*  /*
  * Header for ancillary data objects in msg_control buffer.   * Header for ancillary data objects in msg_control buffer.
Line 287  struct msghdr {
Line 423  struct msghdr {
  * of message elements headed by cmsghdr structures.   * of message elements headed by cmsghdr structures.
  */   */
 struct cmsghdr {  struct cmsghdr {
         u_int   cmsg_len;               /* data byte count, including hdr */          socklen_t       cmsg_len;       /* data byte count, including hdr */
         int     cmsg_level;             /* originating protocol */          int             cmsg_level;     /* originating protocol */
         int     cmsg_type;              /* protocol-specific type */          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 */  /* given pointer to struct cmsghdr, return pointer to data */
 #define CMSG_DATA(cmsg)         ((u_char *)((cmsg) + 1))  #define CMSG_DATA(cmsg) \
           ((u_char *)(void *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
   
   /*
    * Alignment requirement for CMSG struct manipulation.
    * This basically behaves the same as ALIGN() ARCH/include/param.h.
    * We declare it separately for two reasons:
    * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's
    * idea of ALIGNBYTES at runtime.
    * without (2), we can't guarantee binary compatibility in case of future
    * changes in ALIGNBYTES.
    */
   #define __CMSG_ALIGN(n) (((n) + __cmsg_alignbytes()) & ~__cmsg_alignbytes())
   #ifdef _KERNEL
   #define CMSG_ALIGN(n)   __CMSG_ALIGN(n)
   #endif
   
 /* given pointer to struct cmsghdr, return pointer to next cmsghdr */  /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
 #define CMSG_NXTHDR(mhdr, cmsg) \  #define CMSG_NXTHDR(mhdr, cmsg) \
         (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \          (((__caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len) + \
             (mhdr)->msg_control + (mhdr)->msg_controllen) ? \                              __CMSG_ALIGN(sizeof(struct cmsghdr)) > \
               (((__caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
             (struct cmsghdr *)NULL : \              (struct cmsghdr *)NULL : \
             (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len)))              (struct cmsghdr *)((__caddr_t)(cmsg) + \
                   __CMSG_ALIGN((cmsg)->cmsg_len)))
   
   /*
    * RFC 2292 requires to check msg_controllen, in case that the kernel returns
    * an empty list for some reasons.
    */
   #define CMSG_FIRSTHDR(mhdr) \
           ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
            (struct cmsghdr *)(mhdr)->msg_control : \
            (struct cmsghdr *)NULL)
   
 #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))
   
 /* "Socket"-level control message types: */  /* "Socket"-level control message types: */
 #define SCM_RIGHTS      0x01            /* access rights (array of int) */  #define SCM_RIGHTS      0x01            /* access rights (array of int) */
   #if defined(_NETBSD_SOURCE)
 #define SCM_TIMESTAMP   0x02            /* timestamp (struct timeval) */  #define SCM_TIMESTAMP   0x02            /* timestamp (struct timeval) */
   #define SCM_CREDS       0x04            /* credentials (struct sockcred) */
   #endif
   
   /*
    * Types of socket shutdown(2).
    */
   #define SHUT_RD         0               /* Disallow further receives. */
   #define SHUT_WR         1               /* Disallow further sends. */
   #define SHUT_RDWR       2               /* Disallow further sends/receives. */
   
   #if defined(_NETBSD_SOURCE)
 /*  /*
  * 4.3 compat sockaddr, move to compat file later   * 4.3 compat sockaddr, move to compat file later
  */   */
 struct osockaddr {  struct osockaddr {
         u_short sa_family;              /* address family */          __uint16_t      sa_family;      /* address family */
         char    sa_data[14];            /* up to 14 bytes of direct address */          char            sa_data[14];    /* up to 14 bytes of direct address */
 };  };
   
 /*  /*
  * 4.3-compat message header (move to compat file later).   * 4.3-compat message header (move to compat file later).
  */   */
 struct omsghdr {  struct omsghdr {
         caddr_t msg_name;               /* optional address */          __caddr_t       msg_name;       /* optional address */
         int     msg_namelen;            /* size of address */          int             msg_namelen;    /* size of address */
         struct  iovec *msg_iov;         /* scatter/gather array */          struct iovec    *msg_iov;       /* scatter/gather array */
         int     msg_iovlen;             /* # elements in msg_iov */          int             msg_iovlen;     /* # elements in msg_iov */
         caddr_t msg_accrights;          /* access rights sent/received */          __caddr_t       msg_accrights;  /* access rights sent/received */
         int     msg_accrightslen;          int             msg_accrightslen;
 };  };
   #endif
 #ifndef _KERNEL  
   
 #include <sys/cdefs.h>  #include <sys/cdefs.h>
   
 __BEGIN_DECLS  __BEGIN_DECLS
 int     accept __P((int, struct sockaddr *, int *));  int     __cmsg_alignbytes __P((void));
 int     bind __P((int, const struct sockaddr *, int));  __END_DECLS
 int     connect __P((int, const struct sockaddr *, int));  
 int     getpeername __P((int, struct sockaddr *, int *));  #ifndef _KERNEL
 int     getsockname __P((int, struct sockaddr *, int *));  
 int     getsockopt __P((int, int, int, void *, int *));  __BEGIN_DECLS
   int     accept __P((int, struct sockaddr * __restrict, socklen_t * __restrict));
   int     bind __P((int, const struct sockaddr *, socklen_t));
   int     connect __P((int, const struct sockaddr *, socklen_t));
   int     getpeername __P((int, struct sockaddr * __restrict,
               socklen_t * __restrict));
   int     getsockname __P((int, struct sockaddr * __restrict,
               socklen_t * __restrict));
   int     getsockopt __P((int, int, int, void * __restrict,
               socklen_t * __restrict));
 int     listen __P((int, int));  int     listen __P((int, int));
 ssize_t recv __P((int, void *, size_t, 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 * __restrict, size_t, int,
               struct sockaddr * __restrict, socklen_t * __restrict));
 ssize_t recvmsg __P((int, struct msghdr *, int));  ssize_t recvmsg __P((int, struct msghdr *, int));
 ssize_t send __P((int, const void *, size_t, int));  ssize_t send __P((int, const void *, size_t, int));
 ssize_t sendto __P((int, const void *,  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));  ssize_t sendmsg __P((int, const struct msghdr *, int));
 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     shutdown __P((int, int));
   int     sockatmark __P((int));
 int     socket __P((int, int, int));  int     socket __P((int, int, int));
 int     socketpair __P((int, int, int, int *));  int     socketpair __P((int, int, int, int *));
 __END_DECLS  __END_DECLS
 #else  
 # if defined(COMPAT_43) || defined(COMPAT_SUNOS) || defined(COMPAT_LINUX) || \  
      defined(COMPAT_HPUX) || defined(COMPAT_FREEBSD)  
 #  define COMPAT_OLDSOCK  
 #  define MSG_COMPAT    0x8000  
 # endif  
 #endif /* !_KERNEL */  #endif /* !_KERNEL */
   
 #endif /* !_SYS_SOCKET_H_ */  #endif /* !_SYS_SOCKET_H_ */

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Removed from v.1.23  
changed lines
  Added in v.1.67.2.1

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