---
name: "function::user_string2"
section: "3stap"
platform: "linux"
package: "systemtap-doc"
version: "2.6-0.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/function::user_string2"
---

# function::user\_string2(3stap)

Retrieves string from user space with alternative error string

## NAME

function::user\_string2 - Retrieves string from user space with alternative error string

## SYNOPSIS

```
    user_string2:string(addr:long,err_msg:string)
```

## ARGUMENTS

*addr*

the user space address to retrieve the string from

*err\_msg*

the error message to return when data isn't available

## DESCRIPTION

Returns the null terminated C string from a given user space memory address. Reports the given error message on the rare cases when userspace data is not accessible.