gnutls\_x509\_ext\_import\_tlsfeatures(3) gnutls gnutls\_x509\_ext\_import\_tlsfeatures(3)

# [NAME](#NAME)

gnutls\_x509\_ext\_import\_tlsfeatures - API function

# [SYNOPSIS](#SYNOPSIS)

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

**int gnutls\_x509\_ext\_import\_tlsfeatures(const gnutls\_datum\_t * ext, gnutls\_x509\_tlsfeatures\_t f, unsigned int flags);**

# [ARGUMENTS](#ARGUMENTS)

[const gnutls\_datum\_t * ext](#const)

The DER-encoded extension data

[gnutls\_x509\_tlsfeatures\_t f](#gnutls_x509_tlsfeatures_t)

The features structure

[unsigned int flags](#unsigned)

zero or **GNUTLS\_EXT\_FLAG\_APPEND**

# [DESCRIPTION](#DESCRIPTION)

This function will export the features in the provided DER-encoded TLS Features PKIX extension, to a **gnutls\_x509\_tlsfeatures\_t** type. *f* must be initialized.

When the *flags* is set to **GNUTLS\_EXT\_FLAG\_APPEND**, then if the *features* structure is empty this function will behave identically as if the flag was not set. Otherwise if there are elements in the *features* structure then they will be merged with.

# [RETURNS](#RETURNS)

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

# [SINCE](#SINCE)

3.5.1

# [REPORTING BUGS](#REPORTING_BUGS)

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

# [COPYRIGHT](#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](#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/](https://www.gnutls.org/manual/)

3.8.13 gnutls

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Document: gnutls_x509_ext_import_tlsfeatures(3) from gnutls 3.8.13-r1 (Chainguard OS)
Source: https://gitlab.com/gnutls/gnutls