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.TH "__PSKB_PULL_TAIL" "9" "17 July 2003" "" ""

.SH NAME
__pskb_pull_tail \- advance tail of skb header
.SH SYNOPSIS
.sp
\fB
.sp
unsigned char * __pskb_pull_tail  (struct sk_buff * \fIskb\fB, int \fIdelta\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIskb\fB\fR
buffer to reallocate
.TP
\fB\fIdelta\fB\fR
number of bytes to advance tail
.SH "DESCRIPTION"
.PP
The function makes a sense only on a fragmented &sk_buff,
it expands header moving its tail forward and copying necessary
data from fragmented part.
.PP
&sk_buff MUST have reference count of 1.
.PP
Returns NULL (and &sk_buff does not change) if pull failed
or value of new tail of skb in the case of success.
.PP
All the pointers pointing into skb header may change and must be
reloaded after call to this function.
.SH "ABOUT THIS DOCUMENT"
.PP
This documentation is free software; you can redistribute
it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later
version.
.PP
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
.PP
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
.PP
For more details see the file COPYING in the source
distribution of Linux.
.PP
If you have comments on the formatting of this manpage, then please contact
Michael Still (mikal@stillhq.com).
.PP
This documentation was generated with kernel version 2.5.73.