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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:
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.\" 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
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.\" 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
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd October 30, 2007
.Dt SCTP_GENERIC_RECVMSG 2
.Os
.Sh NAME
.Nm sctp_generic_recvmsg
.Nd receive data from 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_recvmsg "int s" "struct iovec *iov" "int iovlen" "struct sockaddr *from" "socklen_t *fromlen" "struct sctp_sndrcvinfo *sinfo" "int *msgflags"
.Sh DESCRIPTION
The
.Fn sctp_generic_recvmsg
is the true system calls used by the
.Fn sctp_recvmsg
function call. This call is more efficient since it is a
true system calls but it is specific to FreeBSD and
can be expected NOT to be present on any other Operating
System. For detailed useage please see either the
.Fn sctp_recvmsg
function call.
.Sh RETURN VALUES
The call returns the number of bytes read 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_recvmsg 3 ,
.Xr sctp 4
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