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.\" Copyright (c) 1983, 1991, 1993
.\" 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. All advertising materials mentioning features or use of this software
.\" 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
.\" 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.
.\"
.\" $FreeBSD$
.\"
.Dd October 30, 2007
.Dt SCTP_GENERIC_SENDMSG 2
.Os
.Sh NAME
.Nm sctp_generic_sendmsg
.Nm sctp_generic_sendmsg_iov
.Nd send data to a peer
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/socket.h
.In netinet/sctp.h
.Ft int
.Fn sctp_generic_sendmsg "int s" "void *msg" "int msglen" "struct sockaddr *to" "socklen_t len" "struct sctp_sndrcvinfo *sinfo" "int flags"
.Ft int
.Fn sctp_generic_sendmsg_iov "int s" "struct iovec *iov" "int iovlen" "struct sockaddr *to" "struct sctp_sndrcvinfo *sinfo" "int flags"
.Sh DESCRIPTION
.Fn sctp_generic_sendmsg
and
.Fn sctp_generic_sendmsg_iov
are the true system calls used by the
.Xr sctp_sendmsg 3
and
.Xr sctp_send 3
function calls.
These are more efficient since they are
true system calls but they are specific to
.Fx
and can be expected
.Em not
to be present on any other operating
system.
For detailed usage please see either the
.Xr sctp_send 3
or
.Xr sctp_sendmsg 3
function calls.
.Sh RETURN VALUES
The call returns the number of bytes written on success and -1 upon failure.
.Sh ERRORS
.Bl -tag -width Er
.It Bq Er EBADF
The argument
.Fa s
is not a valid descriptor.
.It Bq Er ENOTSOCK
The argument
.Fa s
is not a socket.
.El
.Sh SEE ALSO
.Xr sctp_send 3 ,
.Xr sctp_sendmsg 3 ,
.Xr sctp_sendmsgx 3 ,
.Xr sctp_sendx 3 ,
.Xr sctp 4
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