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.TH "TXOPT_LEN" "" "06 October 2005" "" ""

.SH NAME
txopt_len \- get necessary size for new struct ipv6_txoptions
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int txopt_len  (struct ipv6_txoptions * \fIorig_opt\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIorig_opt\fB\fR
old options
.SH "RETURN"
.PP
Size of old one plus size of tunnel encapsulation limit option