'\" t .\" Title: skb_clone_writable .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: April 2019 .\" Manual: Linux Networking .\" Source: Kernel Hackers Manual 4.9.168 .\" Language: English .\" .TH "SKB_CLONE_WRITABLE" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "Linux Networking" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" skb_clone_writable \- is the header of a clone writable .SH "SYNOPSIS" .HP \w'int\ skb_clone_writable('u .BI "int skb_clone_writable(const\ struct\ sk_buff\ *\ " "skb" ", unsigned\ int\ " "len" ");" .SH "ARGUMENTS" .PP \fIskb\fR .RS 4 buffer to check .RE .PP \fIlen\fR .RS 4 length up to which to write .RE .SH "DESCRIPTION" .PP Returns true if modifying the header part of the cloned buffer does not requires the data to be copied\&. .SH "COPYRIGHT" .br