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.Dd October 30, 2007 29.Dt SCTP_GENERIC_SENDMSG 2 30.Os 31.Sh NAME 32.Nm sctp_generic_sendmsg , 33.Nm sctp_generic_sendmsg_iov 34.Nd send data to a peer 35.Sh LIBRARY 36.Lb libc 37.Sh SYNOPSIS 38.In sys/types.h 39.In sys/socket.h 40.In netinet/sctp.h 41.Ft int 42.Fn sctp_generic_sendmsg "int s" "void *msg" "int msglen" "struct sockaddr *to" "socklen_t len" "struct sctp_sndrcvinfo *sinfo" "int flags" 43.Ft int 44.Fn sctp_generic_sendmsg_iov "int s" "struct iovec *iov" "int iovlen" "struct sockaddr *to" "struct sctp_sndrcvinfo *sinfo" "int flags" 45.Sh DESCRIPTION 46.Fn sctp_generic_sendmsg 47and 48.Fn sctp_generic_sendmsg_iov 49are the true system calls used by the 50.Xr sctp_sendmsg 3 51and 52.Xr sctp_send 3 53function calls. 54These are more efficient since they are 55true system calls but they are specific to 56.Fx 57and can be expected 58.Em not 59to be present on any other operating 60system. 61For detailed usage please see either the 62.Xr sctp_send 3 63or 64.Xr sctp_sendmsg 3 65function calls. 66.Sh RETURN VALUES 67The call returns the number of bytes written on success and -1 upon failure. 68.Sh ERRORS 69.Bl -tag -width Er 70.It Bq Er EBADF 71The argument 72.Fa s 73is not a valid descriptor. 74.It Bq Er ENOTSOCK 75The argument 76.Fa s 77is not a socket. 78.El 79.Sh SEE ALSO 80.Xr sctp_send 3 , 81.Xr sctp_sendmsg 3 , 82.Xr sctp_sendmsgx 3 , 83.Xr sctp_sendx 3 , 84.Xr sctp 4 85