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NAME

sctp_recvmsg - receive message from an SCTP socket
 

SYNOPSIS

cc [ flag... ] file... -lsocket  -lnsl   -lsctp  [ library... ]
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/sctp.h>

ssize_t sctp_recvmsg(int s, void *msg, size_t len, struct sockaddr *from,
    socklen_t *fromlen, struct sctp_sndrcvinfo *sinfo, int *msg_flags);

DESCRIPTION

The sctp_recvmsg() function receives a message from the SCTP endpoint s.

In addition to specifying the message buffer msg and the length len of the buffer, the following parameters can be set:

from

Pointer to an address, filled in with the sender's address

fromlen

Size of the buffer associated with the from parameter

sinfo

Pointer to an sctp_sndrcvinfo structure, filled in upon the receipt of the message

msg_flags

Message flags such as MSG_CTRUNC, MSG_NOTIFICATION, MSG_EOR

The sinfo parameter is filled in only when the caller has enabled sctp_data_io_events by calling setsockopt() with the socket option SCTP_EVENTS.  

RETURN VALUES

Upon successful completion, the sctp_recvmsg() function returns the number of bytes received. The function returns -1 if an error occurs.  

ERRORS

The sctp_recvmsg() function fails under the following conditions.

EBADF

The s argument is an invalid file descriptor.

ENOTSOCK

The s argument is not a socket.

EOPNOTSUPP

MSG_OOB is set as a flag.

ENOTCONN

There is no established association.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Evolving MT-Level

SEE ALSO

accept(3SOCKET), bind(3SOCKET), connect(3SOCKET), in.h(3HEAD), libsctp(3LIB), listen(3SOCKET), recvmsg(3SOCKET), sctp_opt_info(3SOCKET), setsockopt(3SOCKET), socket(3SOCKET), socket.h(3HEAD), sctp(7P)

Index

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUES

ERRORS

ATTRIBUTES

SEE ALSO

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