socket.h File Reference

#include <stdint.h>
#include <stddef.h>
#include <sys/types.h>

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Data Structures
struct	linger
struct	sockaddr
struct	iovec
struct	msghdr

Macros
#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	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 */
#define	SO_TIMESTAMP   0x0400 /* timestamp received dgram traffic */
#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 */
#define	SO_SNDTIMEO   0x1005 /* send timeout */
#define	SO_RCVTIMEO   0x1006 /* receive timeout */
#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_NONBLOCK   0x1009 /* non-blocking I/O */
#define	SOL_SOCKET   0xffff /* options for socket level */
#define	AF_UNSPEC   0 /* unspecified */
#define	AF_LOCAL   1 /* local to host (pipes, portals) */
#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_ROUTE   17 /* Internal Routing Protocol */
#define	AF_LINK   18 /* Link layer interface */
#define	AF_COIP   20 /* connection-oriented IP, aka ST II */
#define	AF_CNT   21 /* Computer Network Technology */
#define	AF_IPX   23 /* Novell Internet Protocol */
#define	AF_INET6   24 /* IP version 6 */
#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) */
#define	AF_MAX   31
#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_ROUTE   AF_ROUTE
#define	PF_LINK   AF_LINK
#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 */
#define	PF_ISDN   AF_ISDN /* same as E164 */
#define	PF_E164   AF_E164
#define	PF_NATM   AF_NATM
#define	PF_ARP   AF_ARP
#define	PF_MAX   AF_MAX
#define	MSG_OOB   0x1 /* process out-of-band data */
#define	MSG_PEEK   0x2 /* peek at incoming message */
#define	MSG_DONTROUTE   0x4 /* send without using routing tables */
#define	MSG_EOR   0x8 /* data completes record */
#define	MSG_TRUNC   0x10 /* data discarded before delivery */
#define	MSG_CTRUNC   0x20 /* control data lost before delivery */
#define	MSG_WAITALL   0x40 /* wait for full request or error */
#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 */
#define	SHUT_RD   0 /* Disallow further receives. */
#define	SHUT_WR   1 /* Disallow further sends. */
#define	SHUT_RDWR   2 /* Disallow further sends/receives. */
#define	SOMAXCONN   128

Typedefs
typedef uint8_t	sa_family_t
typedef uint32_t	socklen_t

Functions
int	accept (int, struct sockaddr *__restrict, socklen_t *__restrict)
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	listen (int, 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 s, struct msghdr *msg, int flags)
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 s, const struct msghdr *msg, int flags)
int	setsockopt (int, int, int, const void *, socklen_t)
int	shutdown (int, int)
int	socket (int, int, int)

Macro Definition Documentation

AF_APPLETALK

#define AF_APPLETALK   16 /* Apple Talk */

AF_ARP

#define AF_ARP   28 /* (rev.) addr. res. prot. (RFC 826) */

AF_CCITT

#define AF_CCITT   10 /* CCITT protocols, X.25 etc */

AF_CHAOS

#define AF_CHAOS   5 /* mit CHAOS protocols */

AF_CNT

#define AF_CNT   21 /* Computer Network Technology */

AF_COIP

#define AF_COIP   20 /* connection-oriented IP, aka ST II */

AF_DATAKIT

#define AF_DATAKIT   9 /* datakit protocols */

AF_DECnet

#define AF_DECnet   12 /* DECnet */

AF_DLI

#define AF_DLI   13 /* DEC Direct data link interface */

AF_E164

#define AF_E164   AF_ISDN /* CCITT E.164 recommendation */

AF_ECMA

#define AF_ECMA   8 /* european computer manufacturers */

AF_HYLINK

#define AF_HYLINK   15 /* NSC Hyperchannel */

AF_IMPLINK

#define AF_IMPLINK   3 /* arpanet imp addresses */

AF_INET

#define AF_INET   2 /* internetwork: UDP, TCP, etc. */

AF_INET6

#define AF_INET6   24 /* IP version 6 */

AF_IPX

#define AF_IPX   23 /* Novell Internet Protocol */

AF_ISDN

#define AF_ISDN   26 /* Integrated Services Digital Network*/

AF_ISO

#define AF_ISO   7 /* ISO protocols */

AF_LAT

#define AF_LAT   14 /* LAT */

AF_LINK

#define AF_LINK   18 /* Link layer interface */

AF_LOCAL

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

AF_MAX

#define AF_MAX   31

AF_NATM

#define AF_NATM   27 /* native ATM access */

AF_NS

#define AF_NS   6 /* XEROX NS protocols */

AF_OSI

#define AF_OSI   AF_ISO

AF_PUP

#define AF_PUP   4 /* pup protocols: e.g. BSP */

AF_ROUTE

#define AF_ROUTE   17 /* Internal Routing Protocol */

AF_SNA

#define AF_SNA   11 /* IBM SNA */

AF_UNIX

#define AF_UNIX   AF_LOCAL /* backward compatibility */

AF_UNSPEC

#define AF_UNSPEC   0 /* unspecified */

MSG_BCAST

#define MSG_BCAST   0x100 /* this message was rcvd using link-level brdcst */

MSG_CTRUNC

#define MSG_CTRUNC   0x20 /* control data lost before delivery */

MSG_DONTROUTE

#define MSG_DONTROUTE   0x4 /* send without using routing tables */

MSG_DONTWAIT

#define MSG_DONTWAIT   0x80 /* this message should be nonblocking */

MSG_EOR

#define MSG_EOR   0x8 /* data completes record */

MSG_MCAST

#define MSG_MCAST   0x200 /* this message was rcvd using link-level mcast */

MSG_OOB

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

MSG_PEEK

#define MSG_PEEK   0x2 /* peek at incoming message */

MSG_TRUNC

#define MSG_TRUNC   0x10 /* data discarded before delivery */

MSG_WAITALL

#define MSG_WAITALL   0x40 /* wait for full request or error */

PF_APPLETALK

#define PF_APPLETALK   AF_APPLETALK

PF_ARP

#define PF_ARP   AF_ARP

PF_CCITT

#define PF_CCITT   AF_CCITT

PF_CHAOS

#define PF_CHAOS   AF_CHAOS

PF_CNT

#define PF_CNT   AF_CNT

PF_COIP

#define PF_COIP   AF_COIP

PF_DATAKIT

#define PF_DATAKIT   AF_DATAKIT

PF_DECnet

#define PF_DECnet   AF_DECnet

PF_DLI

#define PF_DLI   AF_DLI

PF_E164

#define PF_E164   AF_E164

PF_ECMA

#define PF_ECMA   AF_ECMA

PF_HYLINK

#define PF_HYLINK   AF_HYLINK

PF_IMPLINK

#define PF_IMPLINK   AF_IMPLINK

PF_INET

#define PF_INET   AF_INET

PF_INET6

#define PF_INET6   AF_INET6

PF_IPX

#define PF_IPX   AF_IPX /* same format as AF_NS */

PF_ISDN

#define PF_ISDN   AF_ISDN /* same as E164 */

PF_ISO

#define PF_ISO   AF_ISO

PF_LAT

#define PF_LAT   AF_LAT

PF_LINK

#define PF_LINK   AF_LINK

PF_LOCAL

#define PF_LOCAL   AF_LOCAL

PF_MAX

#define PF_MAX   AF_MAX

PF_NATM

#define PF_NATM   AF_NATM

PF_NS

#define PF_NS   AF_NS

PF_OSI

#define PF_OSI   AF_ISO

PF_PUP

#define PF_PUP   AF_PUP

PF_ROUTE

#define PF_ROUTE   AF_ROUTE

PF_SNA

#define PF_SNA   AF_SNA

PF_UNIX

#define PF_UNIX   PF_LOCAL /* backward compatibility */

PF_UNSPEC

#define PF_UNSPEC   AF_UNSPEC

SHUT_RD

#define SHUT_RD   0 /* Disallow further receives. */

SHUT_RDWR

#define SHUT_RDWR   2 /* Disallow further sends/receives. */

SHUT_WR

#define SHUT_WR   1 /* Disallow further sends. */

SO_ACCEPTCONN

#define SO_ACCEPTCONN   0x0002 /* socket has had listen() */

SO_BROADCAST

#define SO_BROADCAST   0x0020 /* permit sending of broadcast msgs */

SO_DEBUG

#define SO_DEBUG   0x0001 /* turn on debugging info recording */

SO_DONTROUTE

#define SO_DONTROUTE   0x0010 /* just use interface addresses */

SO_ERROR

#define SO_ERROR   0x1007 /* get error status and clear */

SO_KEEPALIVE

#define SO_KEEPALIVE   0x0008 /* keep connections alive */

SO_LINGER

#define SO_LINGER   0x0080 /* linger on close if data present */

SO_NONBLOCK

#define SO_NONBLOCK   0x1009 /* non-blocking I/O */

SO_OOBINLINE

#define SO_OOBINLINE   0x0100 /* leave received OOB data in line */

SO_OVERFLOWED

#define SO_OVERFLOWED   0x1009 /* datagrams: return packets dropped */

SO_RCVBUF

#define SO_RCVBUF   0x1002 /* receive buffer size */

SO_RCVLOWAT

#define SO_RCVLOWAT   0x1004 /* receive low-water mark */

SO_RCVTIMEO

#define SO_RCVTIMEO   0x1006 /* receive timeout */

SO_REUSEADDR

#define SO_REUSEADDR   0x0004 /* allow local address reuse */

SO_REUSEPORT

#define SO_REUSEPORT   0x0200 /* allow local address & port reuse */

SO_SNDBUF

#define SO_SNDBUF   0x1001 /* send buffer size */

SO_SNDLOWAT

#define SO_SNDLOWAT   0x1003 /* send low-water mark */

SO_SNDTIMEO

#define SO_SNDTIMEO   0x1005 /* send timeout */

SO_TIMESTAMP

#define SO_TIMESTAMP   0x0400 /* timestamp received dgram traffic */

SO_TYPE

#define SO_TYPE   0x1008 /* get socket type */

SO_USELOOPBACK

#define SO_USELOOPBACK   0x0040 /* bypass hardware when possible */

SOCK_DGRAM

#define SOCK_DGRAM   2 /* datagram socket */

SOCK_RAW

#define SOCK_RAW   3 /* raw-protocol interface */

SOCK_RDM

#define SOCK_RDM   4 /* reliably-delivered message */

SOCK_SEQPACKET

#define SOCK_SEQPACKET   5 /* sequenced packet stream */

SOCK_STREAM

#define SOCK_STREAM   1 /* stream socket */

SOL_SOCKET

#define SOL_SOCKET   0xffff /* options for socket level */

SOMAXCONN

#define SOMAXCONN   128

Typedef Documentation

sa_family_t

typedef uint8_t sa_family_t

socklen_t

typedef uint32_t socklen_t

Function Documentation

accept()

int accept	(	int	,
		struct sockaddr *	__restrict,
		socklen_t *	__restrict
	)

bind()

int bind	(	int	,
		const struct sockaddr *	,
		socklen_t
	)

connect()

int connect	(	int	,
		const struct sockaddr *	,
		socklen_t
	)

getpeername()

int getpeername	(	int	,
		struct sockaddr *	__restrict,
		socklen_t *	__restrict
	)

getsockname()

int getsockname	(	int	,
		struct sockaddr *	__restrict,
		socklen_t *	__restrict
	)

getsockopt()

int getsockopt	(	int	,
		int	,
		int	,
		void *	__restrict,
		socklen_t *	__restrict
	)

listen()

int listen	(	int	,
		int
	)

recv()

ssize_t recv	(	int	,
		void *	,
		size_t	,
		int
	)

recvfrom()

ssize_t recvfrom	(	int	,
		void *	__restrict,
		size_t	,
		int	,
		struct sockaddr *	__restrict,
		socklen_t *	__restrict
	)

recvmsg()

ssize_t recvmsg	(	int	s,
		struct msghdr *	msg,
		int	flags
	)

send()

ssize_t send	(	int	,
		const void *	,
		size_t	,
		int
	)

sendmsg()

ssize_t sendmsg	(	int	s,
		const struct msghdr *	msg,
		int	flags
	)

sendto()

ssize_t sendto	(	int	,
		const void *	,
		size_t	,
		int	,
		const struct sockaddr *	,
		socklen_t
	)

setsockopt()

int setsockopt	(	int	,
		int	,
		int	,
		const void *	,
		socklen_t
	)

shutdown()

int shutdown	(	int	,
		int
	)

socket()

int socket	(	int	,
		int	,
		int
	)