idn2\_strerror\_name(3) libidn2 idn2\_strerror\_name(3)

# [NAME](#NAME)

idn2\_strerror\_name - API function

# [SYNOPSIS](#SYNOPSIS)

**#include <idn2.h>**

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

# [ARGUMENTS](#ARGUMENTS)

[int rc](#int)

return code from another libidn2 function.

# [DESCRIPTION](#DESCRIPTION)

Convert internal libidn2 error code to a string corresponding to internal header file symbols. For example, idn2\_strerror\_name(IDN2\_MALLOC) will return the string "IDN2\_MALLOC".

The caller must not attempt to de-allocate the returned string.

Return value: A string corresponding to error code symbol.

# [REPORTING BUGS](#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)

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](#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/**

2.3.8 libidn2

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Document: idn2_strerror_name(3) from libidn2 2.3.8-r10 (Chainguard OS)
Source: https://gitlab.com/libidn/libidn2