FUNCTION::USER\_STRIN(3stap) String and data retrieving fun FUNCTION::USER\_STRIN(3stap)

# [NAME](#NAME)

function::user\_string\_utf32 - Retrieves UTF-32 string from user memory

# [SYNOPSIS](#SYNOPSIS)

```
1) user_string_utf32:string(addr:long)
```

```
2) user_string_utf32:string(addr:long,err_msg:string)
```

# [ARGUMENTS](#ARGUMENTS)

*addr*

The user address to retrieve the string from

*err\_msg*

The error message to return when data isn't available

# [DESCRIPTION](#DESCRIPTION)

1\) This function returns a null terminated UTF-8 string converted from the UTF-32 string at a given user memory address. Reports an error on string copy fault or conversion error.

2\) This function returns a null terminated UTF-8 string converted from the UTF-32 string at a given user memory address. Reports the given error message on string copy fault or conversion error.

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::uconversions*(3stap)](/man/enterprise-packages/systemtap/tapset::uconversions.3stap)

September 2026 SystemTap Tapset Reference Ver

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Document: function::user_string_utf32(3stap) from systemtap 5.6-r1 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git