sctp_make_reconf
retval = sctp_make_reconf(asoc, SCTP_PAD4(outlen) + SCTP_PAD4(inlen));
retval = sctp_make_reconf(asoc, length);
retval = sctp_make_reconf(asoc, (!!out + !!in) * size);
retval = sctp_make_reconf(asoc, length);
retval = sctp_make_reconf(asoc, length);