/* $NetBSD: socket.h,v 1.134 2025/07/25 23:24:46 kre Exp $ */ /* * 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 * The Regents of the University of California. 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 University 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 REGENTS 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 REGENTS 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. * * @(#)socket.h 8.6 (Berkeley) 5/3/95 */ #ifndef _SYS_SOCKET_H_ #define _SYS_SOCKET_H_ #include <sys/featuretest.h> /* * Definitions related to sockets: types, address families, options. */ /* * 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> #include <sys/sigtypes.h> /* * Socket types. */ #define SOCK_STREAM 1 /* stream socket */ #define SOCK_DGRAM 2 /* datagram socket */ #define SOCK_RAW 3 /* raw-protocol interface */ #define SOCK_RDM 4 /* reliably-delivered message */ #define SOCK_SEQPACKET 5 /* sequenced packet stream */ #define SOCK_CONN_DGRAM 6 /* connection-orientated datagram */ #define SOCK_DCCP SOCK_CONN_DGRAM #define SOCK_CLOEXEC 0x10000000 /* set close on exec on socket */ #define SOCK_NONBLOCK 0x20000000 /* set non blocking i/o socket */ #define SOCK_NOSIGPIPE 0x40000000 /* don't send sigpipe */ #define SOCK_CLOFORK 0x80000000 /* set close on fork on socket */ #define SOCK_FLAGS_MASK 0xf0000000 /* flags mask */ /* * Option flags per-socket. */ #define SO_DEBUG 0x0001 /* turn on debugging info recording */ #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ #define SO_REUSEADDR 0x0004 /* allow local address reuse */ #define SO_KEEPALIVE 0x0008 /* keep connections alive */ #define SO_DONTROUTE 0x0010 /* just use interface addresses */ #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ #define SO_LINGER 0x0080 /* linger on close if data present */ #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ /* SO_OTIMESTAMP 0x0400 */ #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */ #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ #define SO_TIMESTAMP 0x2000 /* timestamp received dgram traffic */ #define SO_RERROR 0x4000 /* Keep track of receive errors */ /* Allowed default option flags */ #define SO_DEFOPTS (SO_DEBUG|SO_REUSEADDR|SO_KEEPALIVE|SO_DONTROUTE| \ SO_BROADCAST|SO_USELOOPBACK|SO_LINGER|SO_OOBINLINE|SO_REUSEPORT| \ SO_NOSIGPIPE|SO_TIMESTAMP|SO_RERROR) #define __SO_OPTION_BITS \ "\20" \ "\1SO_DEBUG" \ "\2SO_ACCEPTCONN" \ "\3SO_REUSEADDR" \ "\4SO_KEEPALIVE" \ "\5SO_DONTROUTE" \ "\6SO_BROADCAST" \ "\7SO_USELOOPBACK" \ "\10SO_LINGER" \ "\11SO_OOBINLINE" \ "\12SO_REUSEPORT" \ "\13SO_OTIMESTAMP" \ "\14SO_NOSIGPIPE" \ "\15SO_ACCEPTFILTER" \ "\16SO_TIMESTAMP" \ "\17SO_RERROR" /* * Additional options, not kept in so_options. */ #define SO_SNDBUF 0x1001 /* send buffer size */ #define SO_RCVBUF 0x1002 /* receive buffer size */ #define SO_SNDLOWAT 0x1003 /* send low-water mark */ #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ /* SO_OSNDTIMEO 0x1005 */ /* SO_ORCVTIMEO 0x1006 */ #define SO_ERROR 0x1007 /* get error status and clear */ #define SO_TYPE 0x1008 /* get socket type */ #define SO_OVERFLOWED 0x1009 /* datagrams: return packets dropped */ #define SO_NOHEADER 0x100a /* user supplies no header to kernel; * kernel removes header and supplies * payload */ #define SO_SNDTIMEO 0x100b /* send timeout */ #define SO_RCVTIMEO 0x100c /* receive timeout */ /* * Structure used for manipulating linger option. */ struct linger { int l_onoff; /* option on/off */ int l_linger; /* linger time in seconds */ }; struct accept_filter_arg { char af_name[16]; char af_arg[256-16]; }; /* * Level number for (get/set)sockopt() to apply to socket itself. */ #define SOL_SOCKET 0xffff /* options for socket level */ /* * Address families. */ #define AF_UNSPEC 0 /* unspecified */ #define AF_LOCAL 1 /* local to host */ #define AF_UNIX AF_LOCAL /* backward compatibility */ #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ #define AF_IMPLINK 3 /* arpanet imp addresses */ #define AF_PUP 4 /* pup protocols: e.g. BSP */ #define AF_CHAOS 5 /* mit CHAOS protocols */ #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_DATAKIT 9 /* datakit protocols */ #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ #define AF_SNA 11 /* IBM SNA */ #define AF_DECnet 12 /* DECnet */ #define AF_DLI 13 /* DEC Direct data link interface */ #define AF_LAT 14 /* LAT */ #define AF_HYLINK 15 /* NSC Hyperchannel */ #define AF_APPLETALK 16 /* Apple Talk */ #define AF_OROUTE 17 /* Internal Routing Protocol */ #define AF_LINK 18 /* Link layer interface */ #if defined(_NETBSD_SOURCE) #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ #endif #define AF_COIP 20 /* connection-oriented IP, aka ST II */ #define AF_CNT 21 /* Computer Network Technology */ #if defined(_NETBSD_SOURCE) #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ #endif #define AF_IPX 23 /* Novell Internet Protocol */ #define AF_INET6 24 /* IP version 6 */ #if defined(_NETBSD_SOURCE) #define pseudo_AF_PIP 25 /* Help Identify PIP packets */ #endif #define AF_ISDN 26 /* Integrated Services Digital Network*/ #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ #define AF_NATM 27 /* native ATM access */ #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_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs in interface output routine */ #endif #define AF_BLUETOOTH 31 /* Bluetooth: HCI, SCO, L2CAP, RFCOMM */ #define AF_IEEE80211 32 /* IEEE80211 */ #define AF_MPLS 33 /* MultiProtocol Label Switching */ #define AF_ROUTE 34 /* Internal Routing Protocol */ #define AF_CAN 35 #define AF_ETHER 36 #define AF_MAX 37 /* * Structure used by kernel to store most * addresses. */ struct sockaddr { __uint8_t sa_len; /* total length */ sa_family_t sa_family; /* address family */ char sa_data[14]; /* actually longer; address value */ }; #if defined(_KERNEL) /* * Structure used by kernel to pass protocol * information in raw sockets. */ struct sockproto { u_short sp_family; /* address family */ u_short sp_protocol; /* protocol */ }; /* * we make the entire struct at least UCHAR_MAX + 1 in size since existing * use of sockaddr_un permits a path up to 253 bytes + '\0'. * sizeof(sb_len) + sizeof(sb_family) + 253 + '\0' */ #define _SB_DATASIZE 254 struct sockaddr_big { union { struct { __uint8_t sb_len; sa_family_t sb_family; char sb_data[_SB_DATASIZE]; }; uint64_t dummy; /* solicit natural alignment */ }; }; #endif /* _KERNEL */ /* * 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) 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]; }; #if defined(_NETBSD_SOURCE) #define sstosa(__ss) ((struct sockaddr *)(__ss)) #define sstocsa(__ss) ((const struct sockaddr *)(__ss)) #endif /* _NETBSD_SOURCE */ /* * Protocol families, same as address families for now. */ #define PF_UNSPEC AF_UNSPEC #define PF_LOCAL AF_LOCAL #define PF_UNIX PF_LOCAL /* backward compatibility */ #define PF_INET AF_INET #define PF_IMPLINK AF_IMPLINK #define PF_PUP AF_PUP #define PF_CHAOS AF_CHAOS #define PF_NS AF_NS #define PF_ISO AF_ISO #define PF_OSI AF_ISO #define PF_ECMA AF_ECMA #define PF_DATAKIT AF_DATAKIT #define PF_CCITT AF_CCITT #define PF_SNA AF_SNA #define PF_DECnet AF_DECnet #define PF_DLI AF_DLI #define PF_LAT AF_LAT #define PF_HYLINK AF_HYLINK #define PF_APPLETALK AF_APPLETALK #define PF_OROUTE AF_OROUTE #define PF_LINK AF_LINK #if defined(_NETBSD_SOURCE) #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ #endif #define PF_COIP AF_COIP #define PF_CNT AF_CNT #define PF_INET6 AF_INET6 #define PF_IPX AF_IPX /* same format as AF_NS */ #if defined(_NETBSD_SOURCE) #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ #define PF_PIP pseudo_AF_PIP #endif #define PF_ISDN AF_ISDN /* same as E164 */ #define PF_E164 AF_E164 #define PF_NATM AF_NATM #define PF_ARP AF_ARP #if defined(_NETBSD_SOURCE) #define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */ #endif #define PF_BLUETOOTH AF_BLUETOOTH #define PF_MPLS AF_MPLS #define PF_ROUTE AF_ROUTE #define PF_CAN AF_CAN #define PF_ETHER AF_ETHER #define PF_MAX AF_MAX #if defined(_NETBSD_SOURCE) #ifndef pid_t typedef __pid_t pid_t; /* process id */ #define pid_t __pid_t #endif #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 { pid_t sc_pid; /* process id */ 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. * * The (ngrps - 1) is to account for struct sockcred being defined with * already one group member. This code works correctly when ngroups == 0 * because of unsigned arithmetic wrap-around. */ #define SOCKCREDSIZE(ngrps) \ (/*LINTED*/sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1))) #endif /* _NETBSD_SOURCE */ #if defined(_NETBSD_SOURCE) /* Definition for CTL_NET PCB fetching sysctls */ struct kinfo_pcb { __uint64_t ki_pcbaddr; /* PTR: pcb addr */ __uint64_t ki_ppcbaddr; /* PTR: ppcb addr */ __uint64_t ki_sockaddr; /* PTR: socket addr */ __uint32_t ki_family; /* INT: protocol family */ __uint32_t ki_type; /* INT: socket type */ __uint32_t ki_protocol; /* INT: protocol */ __uint32_t ki_pflags; /* INT: generic protocol flags */ __uint32_t ki_sostate; /* INT: socket state */ __uint32_t ki_prstate; /* INT: protocol state */ __int32_t ki_tstate; /* INT: tcp state */ __uint32_t ki_tflags; /* INT: tcp flags */ __uint64_t ki_rcvq; /* U_LONG: receive queue len */ __uint64_t ki_sndq; /* U_LONG: send queue len */ union { struct sockaddr _kis_src; /* STRUCT: local address */ char _kis_pad[256 + 8]; /* pad to max addr length */ } ki_s; union { struct sockaddr _kid_dst; /* STRUCT: remote address */ char _kid_pad[256 + 8]; /* pad to max addr length */ } ki_d; __uint64_t ki_inode; /* INO_T: fake inode number */ __uint64_t ki_vnode; /* PTR: if associated with file */ __uint64_t ki_conn; /* PTR: control block of peer */ __uint64_t ki_refs; /* PTR: referencing socket */ __uint64_t ki_nextref; /* PTR: link in refs list */ }; #define ki_src ki_s._kis_src #define ki_dst ki_d._kid_dst #define ki_spad ki_s._kis_pad #define ki_dpad ki_d._kid_pad #define PCB_SLOP 20 #define PCB_ALL 0 #endif /* _NETBSD_SOURCE */ #if defined(_NETBSD_SOURCE) /* * PF_ROUTE - Routing table * * Three additional levels are defined: * Fourth: address family, 0 is wildcard * Fifth: type of info, defined below * Sixth: flag(s) to mask with for NET_RT_FLAGS */ #define NET_RT_DUMP 1 /* dump; may limit to a.f. */ #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ #define NET_RT_OOOIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */ #define NET_RT_OOIFLIST 4 /* old NET_RT_IFLIST (pre-64bit time) */ #define NET_RT_OIFLIST 5 /* old NET_RT_IFLIST (pre 8.0) */ #define NET_RT_IFLIST 6 /* survey interface list */ #endif /* _NETBSD_SOURCE */ /* * Maximum queue length specifiable by listen(2). */ #ifndef SOMAXCONN #define SOMAXCONN 128 #endif #include <sys/cdefs.h> /* * Message header for recvmsg and sendmsg calls. * Used value-result for recvmsg, value only for sendmsg. */ struct msghdr { void *msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ struct iovec *msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ void *msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ }; #define MSG_OOB 0x0001 /* process out-of-band data */ #define MSG_PEEK 0x0002 /* peek at incoming message */ #define MSG_DONTROUTE 0x0004 /* send without using routing tables */ #define MSG_EOR 0x0008 /* data completes record */ #define MSG_TRUNC 0x0010 /* data discarded before delivery */ #define MSG_CTRUNC 0x0020 /* control data lost before delivery */ #define MSG_WAITALL 0x0040 /* wait for full request or error */ #define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */ #define MSG_BCAST 0x0100 /* this message was rcvd using link-level brdcst */ #define MSG_MCAST 0x0200 /* this message was rcvd using link-level mcast */ #define MSG_NOSIGNAL 0x0400 /* do not generate SIGPIPE on EOF */ #if defined(_NETBSD_SOURCE) #define MSG_CMSG_CLOEXEC 0x0800 /* close on exec receiving fd */ #define MSG_NBIO 0x1000 /* use non-blocking I/O */ #define MSG_WAITFORONE 0x2000 /* recvmmsg() wait for one message */ #define MSG_NOTIFICATION 0x4000 /* SCTP notification */ #define MSG_CMSG_CLOFORK 0x8000 /* close on fork receiving fd */ struct mmsghdr { struct msghdr msg_hdr; unsigned int msg_len; }; #endif /* Extra flags used internally only */ #define MSG_USERFLAGS 0x0ffffff #define MSG_NAMEMBUF 0x1000000 /* msg_name is an mbuf */ #define MSG_CONTROLMBUF 0x2000000 /* msg_control is an mbuf */ #define MSG_IOVUSRSPACE 0x4000000 /* msg_iov is in user space */ #define MSG_LENUSRSPACE 0x8000000 /* address length is in user space */ /* * Header for ancillary data objects in msg_control buffer. * Used for additional information with/about a datagram * not expressible by flags. The format is a sequence * of message elements headed by cmsghdr structures. */ struct cmsghdr { socklen_t cmsg_len; /* data byte count, including hdr */ int cmsg_level; /* originating protocol */ int cmsg_type; /* protocol-specific type */ /* followed by unsigned char cmsg_data[]; */ }; /* * 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) + __ALIGNBYTES) & ~__ALIGNBYTES) #ifdef _KERNEL #define CMSG_ALIGN(n) __CMSG_ALIGN(n) #endif #define __CMSG_ASIZE __CMSG_ALIGN(sizeof(struct cmsghdr)) #define __CMSG_MSGNEXT(cmsg) \ (__CASTV(char *, cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len)) #define __CMSG_MSGEND(mhdr) \ (__CASTV(char *, (mhdr)->msg_control) + (mhdr)->msg_controllen) /* given pointer to struct cmsghdr, return pointer to data */ #define CMSG_DATA(cmsg) (__CASTV(unsigned char *, cmsg) + __CMSG_ASIZE) #define CCMSG_DATA(cmsg) (__CASTCV(const unsigned char *, cmsg) + __CMSG_ASIZE) /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ #define CMSG_NXTHDR(mhdr, cmsg) \ __CASTV(struct cmsghdr *, \ __CMSG_MSGNEXT(cmsg) + __CMSG_ASIZE > __CMSG_MSGEND(mhdr) ? 0 : \ __CMSG_MSGNEXT(cmsg)) /* * RFC 2292 requires to check msg_controllen, in case that the kernel returns * an empty list for some reasons. */ #define CMSG_FIRSTHDR(mhdr) \ __CASTV(struct cmsghdr *, \ (mhdr)->msg_controllen < sizeof(struct cmsghdr) ? 0 : \ (mhdr)->msg_control) #define CMSG_SPACE(l) (__CMSG_ASIZE + __CMSG_ALIGN(l)) #define CMSG_LEN(l) (__CMSG_ASIZE + (l)) /* "Socket"-level control message types: */ #define SCM_RIGHTS 0x01 /* access rights (array of int) */ #if defined(_NETBSD_SOURCE) /* 0x02 timestamp (struct timeval50) */ /* 0x04 credentials (struct sockcred70) */ #define SCM_TIMESTAMP 0x08 /* timestamp (struct timeval) */ #define SCM_CREDS 0x10 /* 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. */ #ifdef _KERNEL static __inline socklen_t sockaddr_getlen(const struct sockaddr *sa) { return sa->sa_len; } __BEGIN_DECLS socklen_t sockaddr_getsize_by_family(sa_family_t); struct sockaddr *sockaddr_copy(struct sockaddr *, socklen_t, const struct sockaddr *); struct sockaddr *sockaddr_externalize(struct sockaddr *, socklen_t, const struct sockaddr *); struct sockaddr *sockaddr_alloc(sa_family_t, socklen_t, int); const void *sockaddr_const_addr(const struct sockaddr *, socklen_t *); void *sockaddr_addr(struct sockaddr *, socklen_t *); const struct sockaddr *sockaddr_any(const struct sockaddr *); const struct sockaddr *sockaddr_any_by_family(sa_family_t); const void *sockaddr_anyaddr(const struct sockaddr *, socklen_t *); int sockaddr_cmp(const struct sockaddr *, const struct sockaddr *); struct sockaddr *sockaddr_dup(const struct sockaddr *, int); int sockaddr_format(const struct sockaddr *, char *, size_t); void sockaddr_free(struct sockaddr *); __END_DECLS #endif /* _KERNEL */ #ifndef _KERNEL __BEGIN_DECLS int accept(int, struct sockaddr * __restrict, socklen_t * __restrict); int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int); int bind(int, const struct sockaddr *, socklen_t); int connect(int, const struct sockaddr *, socklen_t); int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict); int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict); int getsockopt(int, int, int, void *__restrict, socklen_t * __restrict); int getsockopt2(int, int, int, void *__restrict, socklen_t * __restrict); int listen(int, int); int paccept(int, struct sockaddr * __restrict, socklen_t * __restrict, const sigset_t * __restrict, int); ssize_t recv(int, void *, size_t, int); ssize_t recvfrom(int, void *__restrict, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict); ssize_t recvmsg(int, struct msghdr *, int); ssize_t send(int, const void *, size_t, int); ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t); ssize_t sendmsg(int, const struct msghdr *, int); int setsockopt(int, int, int, const void *, socklen_t); int shutdown(int, int); int sockatmark(int); int socket(int, int, int) #if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE) __RENAME(__socket30) #endif ; int socketpair(int, int, int, int *); #if defined(_NETBSD_SOURCE) int sendmmsg(int, struct mmsghdr *, unsigned int, unsigned int); struct timespec; int recvmmsg(int, struct mmsghdr *, unsigned int, unsigned int, struct timespec *); #endif __END_DECLS #endif /* !_KERNEL */ #endif /* !_SYS_SOCKET_H_ */
