Annotation of src/sys/sys/socket.h, Revision 1.51
1.51 ! itojun 1: /* $NetBSD: socket.h,v 1.50 2000/02/18 05:19:25 itojun Exp $ */
1.44 itojun 2:
3: /*
4: * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. Neither the name of the project nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
1.10 cgd 31:
1.1 cgd 32: /*
1.8 mycroft 33: * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
34: * The Regents of the University of California. All rights reserved.
1.1 cgd 35: *
36: * Redistribution and use in source and binary forms, with or without
37: * modification, are permitted provided that the following conditions
38: * are met:
39: * 1. Redistributions of source code must retain the above copyright
40: * notice, this list of conditions and the following disclaimer.
41: * 2. Redistributions in binary form must reproduce the above copyright
42: * notice, this list of conditions and the following disclaimer in the
43: * documentation and/or other materials provided with the distribution.
44: * 3. All advertising materials mentioning features or use of this software
45: * must display the following acknowledgement:
46: * This product includes software developed by the University of
47: * California, Berkeley and its contributors.
48: * 4. Neither the name of the University nor the names of its contributors
49: * may be used to endorse or promote products derived from this software
50: * without specific prior written permission.
51: *
52: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62: * SUCH DAMAGE.
63: *
1.28 fvdl 64: * @(#)socket.h 8.6 (Berkeley) 5/3/95
1.1 cgd 65: */
66:
1.2 mycroft 67: #ifndef _SYS_SOCKET_H_
1.8 mycroft 68: #define _SYS_SOCKET_H_
1.2 mycroft 69:
1.1 cgd 70: /*
71: * Definitions related to sockets: types, address families, options.
72: */
73:
74: /*
1.42 kleink 75: * Data types.
76: */
77: typedef unsigned int socklen_t;
78:
79: /*
80: * Socket types.
1.1 cgd 81: */
82: #define SOCK_STREAM 1 /* stream socket */
83: #define SOCK_DGRAM 2 /* datagram socket */
84: #define SOCK_RAW 3 /* raw-protocol interface */
85: #define SOCK_RDM 4 /* reliably-delivered message */
86: #define SOCK_SEQPACKET 5 /* sequenced packet stream */
87:
88: /*
89: * Option flags per-socket.
90: */
91: #define SO_DEBUG 0x0001 /* turn on debugging info recording */
92: #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
93: #define SO_REUSEADDR 0x0004 /* allow local address reuse */
94: #define SO_KEEPALIVE 0x0008 /* keep connections alive */
95: #define SO_DONTROUTE 0x0010 /* just use interface addresses */
96: #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
97: #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
98: #define SO_LINGER 0x0080 /* linger on close if data present */
99: #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
1.8 mycroft 100: #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
1.18 thorpej 101: #define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */
1.1 cgd 102:
103: /*
104: * Additional options, not kept in so_options.
105: */
106: #define SO_SNDBUF 0x1001 /* send buffer size */
107: #define SO_RCVBUF 0x1002 /* receive buffer size */
108: #define SO_SNDLOWAT 0x1003 /* send low-water mark */
109: #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
110: #define SO_SNDTIMEO 0x1005 /* send timeout */
111: #define SO_RCVTIMEO 0x1006 /* receive timeout */
112: #define SO_ERROR 0x1007 /* get error status and clear */
113: #define SO_TYPE 0x1008 /* get socket type */
114:
115: /*
116: * Structure used for manipulating linger option.
117: */
118: struct linger {
119: int l_onoff; /* option on/off */
1.28 fvdl 120: int l_linger; /* linger time in seconds */
1.1 cgd 121: };
122:
123: /*
124: * Level number for (get/set)sockopt() to apply to socket itself.
125: */
126: #define SOL_SOCKET 0xffff /* options for socket level */
127:
128: /*
129: * Address families.
130: */
131: #define AF_UNSPEC 0 /* unspecified */
1.8 mycroft 132: #define AF_LOCAL 1 /* local to host (pipes, portals) */
133: #define AF_UNIX AF_LOCAL /* backward compatibility */
1.1 cgd 134: #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
135: #define AF_IMPLINK 3 /* arpanet imp addresses */
136: #define AF_PUP 4 /* pup protocols: e.g. BSP */
137: #define AF_CHAOS 5 /* mit CHAOS protocols */
138: #define AF_NS 6 /* XEROX NS protocols */
139: #define AF_ISO 7 /* ISO protocols */
140: #define AF_OSI AF_ISO
141: #define AF_ECMA 8 /* european computer manufacturers */
142: #define AF_DATAKIT 9 /* datakit protocols */
143: #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
144: #define AF_SNA 11 /* IBM SNA */
145: #define AF_DECnet 12 /* DECnet */
146: #define AF_DLI 13 /* DEC Direct data link interface */
147: #define AF_LAT 14 /* LAT */
148: #define AF_HYLINK 15 /* NSC Hyperchannel */
149: #define AF_APPLETALK 16 /* Apple Talk */
150: #define AF_ROUTE 17 /* Internal Routing Protocol */
151: #define AF_LINK 18 /* Link layer interface */
1.42 kleink 152: #if !defined(_XOPEN_SOURCE)
1.1 cgd 153: #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
1.42 kleink 154: #endif
1.8 mycroft 155: #define AF_COIP 20 /* connection-oriented IP, aka ST II */
156: #define AF_CNT 21 /* Computer Network Technology */
1.42 kleink 157: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 158: #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
1.42 kleink 159: #endif
1.8 mycroft 160: #define AF_IPX 23 /* Novell Internet Protocol */
1.21 sommerfe 161: #define AF_INET6 24 /* IP version 6 */
1.42 kleink 162: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 163: #define pseudo_AF_PIP 25 /* Help Identify PIP packets */
1.42 kleink 164: #endif
1.17 chuck 165: #define AF_ISDN 26 /* Integrated Services Digital Network*/
166: #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
167: #define AF_NATM 27 /* native ATM access */
1.19 is 168: #define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */
1.42 kleink 169: #if !defined(_XOPEN_SOURCE)
1.21 sommerfe 170: #define pseudo_AF_KEY 29 /* Internal key management protocol */
1.31 thorpej 171: #define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs
172: in interface output routine */
1.42 kleink 173: #endif
1.1 cgd 174:
1.31 thorpej 175: #define AF_MAX 31
1.1 cgd 176:
177: /*
1.26 thorpej 178: * Structure used by kernel to store most
179: * addresses.
1.1 cgd 180: */
181: struct sockaddr {
182: u_char sa_len; /* total length */
183: u_char sa_family; /* address family */
184: char sa_data[14]; /* actually longer; address value */
1.26 thorpej 185: };
1.1 cgd 186:
1.42 kleink 187: #if defined(_KERNEL)
1.1 cgd 188: /*
189: * Structure used by kernel to pass protocol
190: * information in raw sockets.
191: */
192: struct sockproto {
193: u_short sp_family; /* address family */
194: u_short sp_protocol; /* protocol */
195: };
1.42 kleink 196: #endif /* _KERNEL */
1.1 cgd 197:
1.44 itojun 198: #if 1
199: /*
200: * RFC 2553: protocol-independent placeholder for socket addresses
201: */
202: #define _SS_MAXSIZE 128
203: #define _SS_ALIGNSIZE (sizeof(int64_t))
204: #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) * 2)
205: #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) * 2 - \
206: _SS_PAD1SIZE - _SS_ALIGNSIZE)
207:
1.46 kleink 208: #if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 500
1.44 itojun 209: struct sockaddr_storage {
1.48 itojun 210: u_char ss_len; /* address length */
211: u_char ss_family; /* address family */
1.44 itojun 212: char __ss_pad1[_SS_PAD1SIZE];
213: int64_t __ss_align; /* force desired structure storage alignment */
214: char __ss_pad2[_SS_PAD2SIZE];
215: };
1.46 kleink 216: #endif /* !_XOPEN_SOURCE || ... */
217: #endif /* 1 */
1.44 itojun 218:
1.1 cgd 219: /*
220: * Protocol families, same as address families for now.
221: */
222: #define PF_UNSPEC AF_UNSPEC
1.8 mycroft 223: #define PF_LOCAL AF_LOCAL
224: #define PF_UNIX PF_LOCAL /* backward compatibility */
1.1 cgd 225: #define PF_INET AF_INET
226: #define PF_IMPLINK AF_IMPLINK
227: #define PF_PUP AF_PUP
228: #define PF_CHAOS AF_CHAOS
229: #define PF_NS AF_NS
230: #define PF_ISO AF_ISO
231: #define PF_OSI AF_ISO
232: #define PF_ECMA AF_ECMA
233: #define PF_DATAKIT AF_DATAKIT
234: #define PF_CCITT AF_CCITT
235: #define PF_SNA AF_SNA
236: #define PF_DECnet AF_DECnet
237: #define PF_DLI AF_DLI
238: #define PF_LAT AF_LAT
239: #define PF_HYLINK AF_HYLINK
240: #define PF_APPLETALK AF_APPLETALK
241: #define PF_ROUTE AF_ROUTE
242: #define PF_LINK AF_LINK
1.42 kleink 243: #if !defined(_XOPEN_SOURCE)
1.1 cgd 244: #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
1.42 kleink 245: #endif
1.8 mycroft 246: #define PF_COIP AF_COIP
247: #define PF_CNT AF_CNT
1.21 sommerfe 248: #define PF_INET6 AF_INET6
1.8 mycroft 249: #define PF_IPX AF_IPX /* same format as AF_NS */
1.42 kleink 250: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 251: #define PF_RTIP pseudo_AF_FTIP /* same format as AF_INET */
252: #define PF_PIP pseudo_AF_PIP
1.42 kleink 253: #endif
1.20 is 254: #define PF_ISDN AF_ISDN /* same as E164 */
255: #define PF_E164 AF_E164
1.17 chuck 256: #define PF_NATM AF_NATM
1.19 is 257: #define PF_ARP AF_ARP
1.42 kleink 258: #if !defined(_XOPEN_SOURCE)
1.21 sommerfe 259: #define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */
1.42 kleink 260: #endif
1.1 cgd 261:
262: #define PF_MAX AF_MAX
263:
1.42 kleink 264: #if !defined(_XOPEN_SOURCE)
1.1 cgd 265: /*
1.27 thorpej 266: * Socket credentials.
267: */
268: struct sockcred {
269: uid_t sc_uid; /* real user id */
270: uid_t sc_euid; /* effective user id */
271: gid_t sc_gid; /* real group id */
272: gid_t sc_egid; /* effective group id */
273: int sc_ngroups; /* number of supplemental groups */
274: gid_t sc_groups[1]; /* variable length */
275: };
276:
277: /*
278: * Compute size of a sockcred structure with groups.
279: */
280: #define SOCKCREDSIZE(ngrps) \
281: (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
1.42 kleink 282: #endif /* !_XOPEN_SOURCE */
1.27 thorpej 283:
1.38 kleink 284:
285: #if !defined(_XOPEN_SOURCE)
1.27 thorpej 286: /*
1.8 mycroft 287: * Definitions for network related sysctl, CTL_NET.
288: *
289: * Second level is protocol family.
290: * Third level is protocol number.
291: *
292: * Further levels are defined by the individual families below.
293: */
294: #define NET_MAXID AF_MAX
295:
296: #define CTL_NET_NAMES { \
297: { 0, 0 }, \
1.28 fvdl 298: { "local", CTLTYPE_NODE }, \
1.8 mycroft 299: { "inet", CTLTYPE_NODE }, \
300: { "implink", CTLTYPE_NODE }, \
301: { "pup", CTLTYPE_NODE }, \
302: { "chaos", CTLTYPE_NODE }, \
303: { "xerox_ns", CTLTYPE_NODE }, \
304: { "iso", CTLTYPE_NODE }, \
305: { "emca", CTLTYPE_NODE }, \
306: { "datakit", CTLTYPE_NODE }, \
307: { "ccitt", CTLTYPE_NODE }, \
308: { "ibm_sna", CTLTYPE_NODE }, \
309: { "decnet", CTLTYPE_NODE }, \
310: { "dec_dli", CTLTYPE_NODE }, \
311: { "lat", CTLTYPE_NODE }, \
312: { "hylink", CTLTYPE_NODE }, \
313: { "appletalk", CTLTYPE_NODE }, \
314: { "route", CTLTYPE_NODE }, \
315: { "link_layer", CTLTYPE_NODE }, \
316: { "xtp", CTLTYPE_NODE }, \
317: { "coip", CTLTYPE_NODE }, \
318: { "cnt", CTLTYPE_NODE }, \
319: { "rtip", CTLTYPE_NODE }, \
320: { "ipx", CTLTYPE_NODE }, \
1.21 sommerfe 321: { "inet6", CTLTYPE_NODE }, \
1.8 mycroft 322: { "pip", CTLTYPE_NODE }, \
1.20 is 323: { "isdn", CTLTYPE_NODE }, \
1.17 chuck 324: { "natm", CTLTYPE_NODE }, \
1.20 is 325: { "arp", CTLTYPE_NODE }, \
1.21 sommerfe 326: { "key", CTLTYPE_NODE }, \
1.8 mycroft 327: }
1.38 kleink 328: #endif /* !_XOPEN_SOURCE */
1.8 mycroft 329:
1.38 kleink 330: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 331: /*
332: * PF_ROUTE - Routing table
333: *
334: * Three additional levels are defined:
335: * Fourth: address family, 0 is wildcard
336: * Fifth: type of info, defined below
337: * Sixth: flag(s) to mask with for NET_RT_FLAGS
338: */
339: #define NET_RT_DUMP 1 /* dump; may limit to a.f. */
340: #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
1.47 bouyer 341: #define NET_RT_OIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */
342: #define NET_RT_IFLIST 4 /* survey interface list */
343: #define NET_RT_MAXID 5
1.8 mycroft 344:
345: #define CTL_NET_RT_NAMES { \
346: { 0, 0 }, \
347: { "dump", CTLTYPE_STRUCT }, \
348: { "flags", CTLTYPE_STRUCT }, \
1.47 bouyer 349: { 0, 0 }, \
1.8 mycroft 350: { "iflist", CTLTYPE_STRUCT }, \
351: }
1.38 kleink 352: #endif /* !_XOPEN_SOURCE */
1.8 mycroft 353:
354: /*
1.13 mycroft 355: * Maximum queue length specifiable by listen(2).
1.1 cgd 356: */
1.16 neil 357:
1.13 mycroft 358: #define SOMAXCONN 128
1.16 neil 359:
1.1 cgd 360: /*
361: * Message header for recvmsg and sendmsg calls.
362: * Used value-result for recvmsg, value only for sendmsg.
363: */
364: struct msghdr {
1.42 kleink 365: void *msg_name; /* optional address */
366: socklen_t msg_namelen; /* size of address */
367: struct iovec *msg_iov; /* scatter/gather array */
368: int msg_iovlen; /* # elements in msg_iov */
369: void *msg_control; /* ancillary data, see below */
370: socklen_t msg_controllen; /* ancillary data buffer len */
371: int msg_flags; /* flags on received message */
1.1 cgd 372: };
373:
374: #define MSG_OOB 0x1 /* process out-of-band data */
375: #define MSG_PEEK 0x2 /* peek at incoming message */
376: #define MSG_DONTROUTE 0x4 /* send without using routing tables */
377: #define MSG_EOR 0x8 /* data completes record */
378: #define MSG_TRUNC 0x10 /* data discarded before delivery */
379: #define MSG_CTRUNC 0x20 /* control data lost before delivery */
380: #define MSG_WAITALL 0x40 /* wait for full request or error */
1.8 mycroft 381: #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */
1.30 matt 382: #define MSG_BCAST 0x100 /* this message was rcvd using link-level brdcst */
383: #define MSG_MCAST 0x200 /* this message was rcvd using link-level mcast */
1.1 cgd 384:
385: /*
386: * Header for ancillary data objects in msg_control buffer.
387: * Used for additional information with/about a datagram
388: * not expressible by flags. The format is a sequence
389: * of message elements headed by cmsghdr structures.
390: */
391: struct cmsghdr {
1.42 kleink 392: socklen_t cmsg_len; /* data byte count, including hdr */
393: int cmsg_level; /* originating protocol */
394: int cmsg_type; /* protocol-specific type */
1.1 cgd 395: /* followed by u_char cmsg_data[]; */
396: };
397:
1.8 mycroft 398: /* given pointer to struct cmsghdr, return pointer to data */
1.50 itojun 399: #define CMSG_DATA(cmsg) \
400: ((u_char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr)))
1.1 cgd 401:
1.44 itojun 402: /*
403: * Alignment requirement for CMSG struct manipulation.
1.51 ! itojun 404: * This basically behaves the same as ALIGN() ARCH/include/param.h.
! 405: * We declare it separately for two reasons:
! 406: * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's
! 407: * idea of ALIGNBYTES at runtime.
! 408: * without (2), we can't guarantee binary compatibility in case of future
! 409: * changes in ALIGNBYTES.
1.44 itojun 410: */
1.51 ! itojun 411: #define CMSG_ALIGN(n) (((n) + __cmsg_alignbytes()) & ~__cmsg_alignbytes())
1.44 itojun 412:
1.8 mycroft 413: /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
1.1 cgd 414: #define CMSG_NXTHDR(mhdr, cmsg) \
1.50 itojun 415: (((caddr_t)(cmsg) + CMSG_ALIGN((cmsg)->cmsg_len) + \
416: CMSG_ALIGN(sizeof(struct cmsghdr)) > \
1.45 itojun 417: (((caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
1.1 cgd 418: (struct cmsghdr *)NULL : \
1.44 itojun 419: (struct cmsghdr *)((caddr_t)(cmsg) + CMSG_ALIGN((cmsg)->cmsg_len)))
1.1 cgd 420:
421: #define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
422:
1.44 itojun 423: #define CMSG_SPACE(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
424: #define CMSG_LEN(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
425:
1.1 cgd 426: /* "Socket"-level control message types: */
427: #define SCM_RIGHTS 0x01 /* access rights (array of int) */
1.42 kleink 428: #if !defined(_XOPEN_SOURCE)
1.18 thorpej 429: #define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */
1.42 kleink 430: #define SCM_CREDS 0x04 /* credentials (struct sockcred) */
431: #endif
1.29 kleink 432:
433: /*
434: * Types of socket shutdown(2).
435: */
436: #define SHUT_RD 0 /* Disallow further receives. */
437: #define SHUT_WR 1 /* Disallow further sends. */
438: #define SHUT_RDWR 2 /* Disallow further sends/receives. */
1.1 cgd 439:
1.42 kleink 440: #if !defined(_XOPEN_SOURCE)
1.1 cgd 441: /*
442: * 4.3 compat sockaddr, move to compat file later
443: */
444: struct osockaddr {
445: u_short sa_family; /* address family */
446: char sa_data[14]; /* up to 14 bytes of direct address */
447: };
448:
449: /*
450: * 4.3-compat message header (move to compat file later).
451: */
452: struct omsghdr {
453: caddr_t msg_name; /* optional address */
454: int msg_namelen; /* size of address */
455: struct iovec *msg_iov; /* scatter/gather array */
456: int msg_iovlen; /* # elements in msg_iov */
457: caddr_t msg_accrights; /* access rights sent/received */
458: int msg_accrightslen;
459: };
1.42 kleink 460: #endif
1.51 ! itojun 461:
! 462: int __cmsg_alignbytes __P((void));
1.1 cgd 463:
1.12 briggs 464: #ifndef _KERNEL
1.1 cgd 465:
466: #include <sys/cdefs.h>
467:
468: __BEGIN_DECLS
1.42 kleink 469: int accept __P((int, struct sockaddr *, socklen_t *));
470: int bind __P((int, const struct sockaddr *, socklen_t));
471: int connect __P((int, const struct sockaddr *, socklen_t));
472: int getpeername __P((int, struct sockaddr *, socklen_t *));
473: int getsockname __P((int, struct sockaddr *, socklen_t *));
474: int getsockopt __P((int, int, int, void *, socklen_t *));
1.1 cgd 475: int listen __P((int, int));
1.8 mycroft 476: ssize_t recv __P((int, void *, size_t, int));
1.42 kleink 477: ssize_t recvfrom __P((int, void *, size_t, int, struct sockaddr *,
478: socklen_t *));
1.8 mycroft 479: ssize_t recvmsg __P((int, struct msghdr *, int));
480: ssize_t send __P((int, const void *, size_t, int));
481: ssize_t sendto __P((int, const void *,
1.42 kleink 482: size_t, int, const struct sockaddr *, socklen_t));
1.8 mycroft 483: ssize_t sendmsg __P((int, const struct msghdr *, int));
1.42 kleink 484: int setsockopt __P((int, int, int, const void *, socklen_t));
1.1 cgd 485: int shutdown __P((int, int));
486: int socket __P((int, int, int));
487: int socketpair __P((int, int, int, int *));
488: __END_DECLS
1.14 christos 489: #else
1.41 drochner 490: #ifdef COMPAT_OLDSOCK
491: #define MSG_COMPAT 0x8000
492: #endif
1.44 itojun 493:
494: void pfctlinput __P((int, struct sockaddr *));
1.14 christos 495: #endif /* !_KERNEL */
1.1 cgd 496:
1.2 mycroft 497: #endif /* !_SYS_SOCKET_H_ */
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