1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd October 30, 2007 31.Dt SCTP_GENERIC_RECVMSG 2 32.Os 33.Sh NAME 34.Nm sctp_generic_recvmsg 35.Nd receive data from a peer 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In sys/types.h 40.In sys/socket.h 41.In netinet/sctp.h 42.Ft int 43.Fn sctp_generic_recvmsg "int s" "struct iovec *iov" "int iovlen" "struct sockaddr *from" "socklen_t *fromlen" "struct sctp_sndrcvinfo *sinfo" "int *msgflags" 44.Sh DESCRIPTION 45.Fn sctp_generic_recvmsg 46is the true system call used by the 47.Xr sctp_recvmsg 3 48function call. 49This call is more efficient since it is a 50true system call but it is specific to 51.Fx 52and can be expected 53.Em not 54to be present on any other operating 55system. 56For detailed usage please see the 57.Xr sctp_recvmsg 3 58function call. 59.Sh RETURN VALUES 60The call returns the number of bytes read on success and -1 upon failure. 61.Sh ERRORS 62.Bl -tag -width Er 63.It Bq Er EBADF 64The argument 65.Fa s 66is not a valid descriptor. 67.It Bq Er ENOTSOCK 68The argument 69.Fa s 70is not a socket. 71.El 72.Sh SEE ALSO 73.Xr sctp_recvmsg 3 , 74.Xr sctp 4 75