'\" t
.\" Title:
function::user_string_n
.\" Author:
.\" Generator: DocBook XSL Stylesheets v1.76.1
.\" Date: May 2013
.\" Manual: String and data retrieving functions Tapset
.\" Source: SystemTap Tapset Reference
.\" Language: English
.\"
.TH "FUNCTION:" "3stap" "May 2013" "SystemTap Tapset Reference" "String and data retrieving fun"
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.SH "NAME"
function::user_string_n \- Retrieves string of given length from user space
.SH "SYNOPSIS"
.sp
.nf
user_string_n:string(addr:long,n:long)
.fi
.SH "ARGUMENTS"
.PP
\fIaddr\fR
.RS 4
the user space address to retrieve the string from
.RE
.PP
\fIn\fR
.RS 4
the maximum length of the string (if not null terminated)
.RE
.SH "DESCRIPTION"
.PP
Returns the C string of a maximum given length from a given user space address\&. Returns
\(lq\(rq
on the rare cases when userspace data is not accessible at the given address\&.