asn1\_dup\_node(3) libtasn1 asn1\_dup\_node(3)

# [NAME](#NAME)

asn1\_dup\_node - API function

# [SYNOPSIS](#SYNOPSIS)

**#include <libtasn1.h>**

**asn1\_node asn1\_dup\_node(asn1\_node\_const src, const char * src\_name);**

# [ARGUMENTS](#ARGUMENTS)

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

Source asn1 node.

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

Field name in source node.

# [DESCRIPTION](#DESCRIPTION)

Create a deep copy of a asn1\_node variable. This function will return an exact copy of the provided structure.

# [RETURNS](#RETURNS)

Return **NULL** on failure.

# [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_dup_node(3) from libtasn1 4.21.0-r7 (Chainguard OS)
Source: https://gitlab.com/gnutls/libtasn1