'\" t
.\"     Title: memdup_user_nul
.\"    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: Memory Management in Linux
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "MEMDUP_USER_NUL" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Memory Management in Linux"
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.SH "NAME"
memdup_user_nul \- duplicate memory region from user space and NUL\-terminate
.SH "SYNOPSIS"
.HP \w'void\ *\ memdup_user_nul('u
.BI "void * memdup_user_nul(const\ void\ __user\ *\ " "src" ", size_t\ " "len" ");"
.SH "ARGUMENTS"
.PP
\fIsrc\fR
.RS 4
source address in user space
.RE
.PP
\fIlen\fR
.RS 4
number of bytes to copy
.RE
.SH "DESCRIPTION"
.PP
Returns an
\fBERR_PTR\fR
on failure\&.
.SH "COPYRIGHT"
.br