---
name: "gnutls_subject_alt_names_set"
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_subject_alt_names_set"
---

# gnutls\_subject\_alt\_names\_set(3)

API function

## NAME

gnutls\_subject\_alt\_names\_set - API function

## SYNOPSIS

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

**int gnutls\_subject\_alt\_names\_set(gnutls\_subject\_alt\_names\_t** *sans***, unsigned int** *san\_type***, const gnutls\_datum\_t \*** *san***, const char \*** *othername\_oid***);**

## ARGUMENTS

- gnutls\_subject\_alt\_names\_t sans

  The alternative names

- unsigned int san\_type

  The type of the name (of **gnutls\_subject\_alt\_names\_t**)

- const gnutls\_datum\_t \* san

  The alternative name data

- const char \* othername\_oid

  The object identifier if  *san\_type* is **GNUTLS\_SAN\_OTHERNAME**

## DESCRIPTION

This function will store the specified alternative name in the  *sans* .

Since version 3.5.7 the **GNUTLS\_SAN\_RFC822NAME**, **GNUTLS\_SAN\_DNSNAME**, and **GNUTLS\_SAN\_OTHERNAME\_XMPP** are converted to ACE format when necessary.

## RETURNS

On success, **GNUTLS\_E\_SUCCESS** (0), 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/