---
name: "punycode_strerror"
section: "3"
platform: "linux"
package: "libidn"
version: "1.44-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/punycode_strerror"
---

# punycode\_strerror(3)

API function

## NAME

punycode\_strerror - API function

## SYNOPSIS

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

**const char \* punycode\_strerror(Punycode\_status** *rc***);**

## ARGUMENTS

- Punycode\_status rc

  an **Punycode\_status** return code.

## DESCRIPTION

Convert a return code integer to a text string.  This string can be used to output a diagnostic message to the user.

## PUNYCODE\_SUCCESS

Successful operation.  This value is guaranteed to always be zero, the remaining ones are only guaranteed to hold non-zero values, for logical comparison purposes.

## PUNYCODE\_BAD\_INPUT

Input is invalid.

## PUNYCODE\_BIG\_OUTPUT

Output would exceed the space provided.

## PUNYCODE\_OVERFLOW

Input needs wider integers to process.

Return value: Returns a pointer to a statically allocated string containing a description of the error with the return code  *rc* .

## REPORTING BUGS

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

## COPYRIGHT

Copyright © 2002-2026 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 **libidn** is maintained as a Texinfo manual.  If the **info** and **libidn** programs are properly installed at your site, the command

-

  **info libidn**

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

-

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