---
name: "asn1_perror"
section: "3"
platform: "linux"
package: "libtasn1"
version: "4.21.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/asn1_perror"
---

# asn1\_perror(3)

API function

## NAME

asn1\_perror - API function

## SYNOPSIS

**#include \<libtasn1.h\>**

**void asn1\_perror(int** *error***);**

## ARGUMENTS

- int error

  is an error returned by a libtasn1 function.

## DESCRIPTION

Prints a string to stderr with a description of an error.  This function is like **perror()**.  The only difference is that it accepts an error returned by a libtasn1 function.

## SINCE

1\.6

## COPYRIGHT

Copyright © 2006-2025 Free Software Foundation, Inc..\
 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 **libtasn1** is maintained as a Texinfo manual.  If the **info** and **libtasn1** programs are properly installed at your site, the command

-

  **info libtasn1**

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

-

  **https://www.gnu.org/software/libtasn1/manual/**