asn1\_copy\_node(3) libtasn1 asn1\_copy\_node(3)

# [NAME](#NAME)

asn1\_copy\_node - API function

# [SYNOPSIS](#SYNOPSIS)

**#include <libtasn1.h>**

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

# [ARGUMENTS](#ARGUMENTS)

[asn1\_node dst](#asn1_node)

Destination asn1 node.

[const char * dst\_name](#const)

Field name in destination node.

[asn1\_node\_const src](#asn1_node_const)

Source asn1 node.

[const char * src\_name](#const~2)

Field name in source node.

# [DESCRIPTION](#DESCRIPTION)

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

# [RETURNS](#RETURNS)

Return **ASN1\_SUCCESS** on success.

# [COPYRIGHT](#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](#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/**

4.21.0 libtasn1

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Document: asn1_copy_node(3) from libtasn1 4.21.0-r6 (Chainguard OS)
Source: https://gitlab.com/gnutls/libtasn1