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.\" $FreeBSD: head/lib/libc/net/sctp_getassocid.3 251067 2013-05-28 20:37:48Z emaste $
.\"
.Dd December 15, 2006
.Dt SCTP_GETASSOCID 3
.Os
.Sh NAME
.Nm sctp_getassocid
.Nd return an association id for a specified socket address.
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/socket.h
.In netinet/sctp.h
.Ft sctp_assoc_t
.Fn sctp_getassocid "int s" "struct sockaddr *addr"
.Sh DESCRIPTION
The
.Fn sctp_getassocid
call attempts to look up the specified socket address
.Fa addr
and find the respective association identification.
.Sh RETURN VALUES
The call returns the association id upon success and
0 is returned upon failure.
.Sh ERRORS
The
.Fn sctp_getassocid
function can return the following errors:
.Bl -tag -width Er
.It Bq Er ENOENT
The address does not have an association setup to it.
.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 4