2007-02-22 14:32:39 +00:00
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.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" notice, this list of conditions and the following disclaimer.
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.\" SUCH DAMAGE.
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.\"
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.\" From: @(#)send.2 8.2 (Berkeley) 2/21/94
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.\" $FreeBSD$
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.\"
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.Dd December 15, 2006
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.Dt SCTP_OPT_INFO 3
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.Os
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.Sh NAME
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.Nm sctp_opt_info
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.Nd get sctp socket information
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In sys/types.h
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.In sys/socket.h
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.In netinet/sctp.h
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.Ft int
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.Fn sctp_opt_info "int s" "sctp_assoc_t" "int opt" "void *arg" "socklen_t *size"
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.Sh DESCRIPTION
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The
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.Fn sctp_opt_info
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call provides a multi-os compatible method for getting
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specific
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.Fn getsockopt
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data where an association identification needs to be passed
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into the operating system.
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For
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.Fx
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a direct
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.Fn getsockopt
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may be used, since
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.Fx
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has the ability to pass information
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into the operating system on a
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.Fn getsockopt
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2007-06-18 10:20:32 +00:00
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call.
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Other operating systems may not have this ability.
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For those
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who wish to write portable code amongst multiple operating systems
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this call should be used for the following SCTP
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socket options.
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.Pp
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.Dv SCTP_RTOINFO
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.Pp
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.Dv SCTP_ASSOCINFO
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.Pp
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.Dv SCTP_PRIMARY_ADDR
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.Pp
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.Dv SCTP_SET_PEER_PRIMARY_ADDR
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.Pp
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.Dv SCTP_STATUS
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.Pp
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.Dv SCTP_GET_PEER_ADDR_INFO
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.Pp
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.Dv SCTP_AUTH_ACTIVE_KEY
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.Pp
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.Dv SCTP_PEER_AUTH_CHUNKS
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.Pp
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.Dv SCTP_LOCAL_AUTH_CHUNKS
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.Sh ERRORS
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The
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.Fn sctp_opt_info
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function can return the following errors.
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.Bl -tag -width Er
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.It Bq Er EINVAL
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The argument
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.Fa arg
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value was invalid.
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.It Bq Er EOPNOTSUPP
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The argument
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.Fa opt
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was not one of the above listed SCTP socket
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options.
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.It Bq Er EBADF
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The argument
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.Fa s
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is not a valid descriptor.
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.It Bq Er ENOTSOCK
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The argument
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.Fa s
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is not a socket.
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.El
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.Sh SEE ALSO
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.Xr getsockopt 2 ,
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.Xr sctp 4
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