---
name: "gnutls_x509_ext_import_subject_alt_names"
section: "3"
platform: "linux"
package: "gnutls"
version: "3.8.13-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_x509_ext_import_subject_alt_names"
---

# gnutls\_x509\_ext\_import\_subject\_alt\_names(3)

API function

## NAME

gnutls\_x509\_ext\_import\_subject\_alt\_names - API function

## SYNOPSIS

**#include \<gnutls/x509-ext.h\>**

**int gnutls\_x509\_ext\_import\_subject\_alt\_names(const gnutls\_datum\_t \*** *ext***, gnutls\_subject\_alt\_names\_t** *sans***, unsigned int** *flags***);**

## ARGUMENTS

- const gnutls\_datum\_t \* ext

  The DER-encoded extension data

- gnutls\_subject\_alt\_names\_t sans

  The alternative names

- unsigned int flags

  should be zero

## DESCRIPTION

This function will export the alternative names in the provided DER-encoded SubjectAltName PKIX extension, to a **gnutls\_subject\_alt\_names\_t** type.  *sans* must be initialized.

This function will succeed even if there no subject alternative names in the structure.

## RETURNS

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, otherwise a negative error value.

## SINCE

3\.3.0

## REPORTING BUGS

Report bugs to \<bugs@gnutls.org\>.\
 Home page: https://www.gnutls.org

## COPYRIGHT

Copyright © 2001-2023 Free Software Foundation, Inc., and others.\
 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 **gnutls** is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit

- https://www.gnutls.org/manual/