---
name: "asn1_copy_node"
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_copy_node"
---

# asn1\_copy\_node(3)

API function

## NAME

asn1\_copy\_node - API function

## SYNOPSIS

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

**int asn1\_copy\_node(asn1\_node** *dst***, const char \*** *dst\_name***, asn1\_node\_const** *src***, const char \*** *src\_name***);**

## ARGUMENTS

- asn1\_node dst

  Destination asn1 node.

- const char \* dst\_name

  Field name in destination node.

- asn1\_node\_const src

  Source asn1 node.

- const char \* src\_name

  Field name in source node.

## DESCRIPTION

Create a deep copy of a asn1\_node variable. That function requires  *dst* to be expanded using **asn1\_create\_element()**.

## RETURNS

Return **ASN1\_SUCCESS** on success.

## 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/**