'\" t
.\"     Title: skb_headroom
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Linux Networking
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "SKB_HEADROOM" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Linux Networking"
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.SH "NAME"
skb_headroom \- bytes at buffer head
.SH "SYNOPSIS"
.HP \w'unsigned\ int\ skb_headroom('u
.BI "unsigned int skb_headroom(const\ struct\ sk_buff\ *\ " "skb" ");"
.SH "ARGUMENTS"
.PP
\fIskb\fR
.RS 4
buffer to check
.RE
.SH "DESCRIPTION"
.PP
Return the number of bytes of free space at the head of an
sk_buff\&.
.SH "COPYRIGHT"
.br