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SCTP_OPT_INFO(3)           Library Functions Manual           SCTP_OPT_INFO(3)

NAME
     sctp_opt_info - get SCTP socket information

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/types.h>
     #include <sys/socket.h>
     #include <netinet/sctp.h>

     int
     sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg,
         socklen_t *size);

DESCRIPTION
     The sctp_opt_info() call provides a multi-os compatible method for
     getting specific getsockopt() data where an association identification
     needs to be passed into the operating system.  For those who wish to
     write portable code amongst multiple operating systems this call should
     be used for the following SCTP socket options.

     SCTP_RTOINFO

     SCTP_ASSOCINFO

     SCTP_PRIMARY_ADDR

     SCTP_PEER_ADDR_PARAMS

     SCTP_DEFAULT_SEND_PARAM

     SCTP_MAX_SEG

     SCTP_AUTH_ACTIVE_KEY

     SCTP_DELAYED_SACK

     SCTP_MAX_BURST

     SCTP_CONTEXT

     SCTP_EVENT

     SCTP_DEFAULT_SNDINFO

     SCTP_DEFAULT_PRINFO

     SCTP_STATUS

     SCTP_GET_PEER_ADDR_INFO

     SCTP_PEER_AUTH_CHUNKS

     SCTP_LOCAL_AUTH_CHUNKS

RETURN VALUES
     The call returns 0 on success and -1 upon error.

ERRORS
     The sctp_opt_info() function can return the following errors:

     [EBADF]            The argument s is not a valid descriptor.

     [EINVAL]           The argument arg value was invalid.

     [ENOTSOCK]         The argument s is not a socket.

     [EOPNOTSUPP]       The argument opt was not one of the above listed SCTP
                        socket options.

SEE ALSO
     getsockopt(2), getsockopt2(2), sctp(4)

     Sockets API Extensions for the Stream Control Transmission Protocol
     (SCTP), RFC, 6458, December 2011.

HISTORY
     This function first appeared in NetBSD 9.0.

NetBSD 8.99.34                  August 1, 2018                  NetBSD 8.99.34