---
name: "idn2_strerror"
section: "3"
platform: "linux"
package: "libidn2"
version: "2.3.8-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/idn2_strerror"
---

# idn2\_strerror(3)

API function

## NAME

idn2\_strerror - API function

## SYNOPSIS

**#include \<idn2.h\>**

**const char \* idn2\_strerror(int** *rc***);**

## ARGUMENTS

- int rc

  return code from another libidn2 function.

## DESCRIPTION

Convert internal libidn2 error code to a humanly readable string. The returned pointer must not be de-allocated by the caller.

Return value: A humanly readable string describing error.

## REPORTING BUGS

Report bugs to \<help-libidn@gnu.org\>.\
 General guidelines for reporting bugs: https://www.gnu.org/gethelp/\
 Libidn2 home page: https://www.gnu.org/software/libidn2/

## COPYRIGHT

Copyright © 2002-2025 Simon Josefsson.\
 Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

## SEE ALSO

The full documentation for **libidn2** is maintained as a Texinfo manual.  If the **info** and **libidn2** programs are properly installed at your site, the command

-

  **info libidn2**

should give you access to the complete manual. As an alternative you may obtain the manual from:

-

  **https://www.gnu.org/software/libidn/libidn2/manual/**