'\" t
.\"     Title: function::kernel_string2
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: November 2014
.\"    Manual: String and data retrieving functions Tapset
.\"    Source: SystemTap Tapset Reference
.\"  Language: English
.\"
.TH "FUNCTION::KERNEL_STR" "3stap" "November 2014" "SystemTap Tapset Reference" "String and data retrieving fun"
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.SH "NAME"
function::kernel_string2 \- Retrieves string from kernel memory with alternative error string
.SH "SYNOPSIS"
.sp
.nf
    kernel_string2:string(addr:long,err_msg:string)
.fi
.SH "ARGUMENTS"
.PP
\fIaddr\fR
.RS 4
The kernel address to retrieve the string from
.RE
.PP
\fIerr_msg\fR
.RS 4
The error message to return when data isn\*(Aqt available
.RE
.SH "DESCRIPTION"
.PP
This function returns the null terminated C string from a given kernel memory address\&. Reports the given error message on string copy fault\&.