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.\" $FreeBSD: head/lib/libc/sys/sctp_generic_recvmsg.2 251071 2013-05-28 21:05:06Z emaste $
.\"
.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
.Fn sctp_generic_recvmsg
is the true system call used by the
.Xr sctp_recvmsg 3
function call.
This call is more efficient since it is a
true system call but it is specific to
.Fx
and can be expected
.Em not
to be present on any other operating
system.
For detailed usage please see the
.Xr sctp_recvmsg 3
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