---
name: "gnutls_x509_ext_print"
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_print"
---

# gnutls\_x509\_ext\_print(3)

API function

## NAME

gnutls\_x509\_ext\_print - API function

## SYNOPSIS

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

**int gnutls\_x509\_ext\_print(gnutls\_x509\_ext\_st \*** *exts***, unsigned int** *exts\_size***, gnutls\_certificate\_print\_formats\_t** *format***, gnutls\_datum\_t \*** *out***);**

## ARGUMENTS

- gnutls\_x509\_ext\_st \* exts

  The data to be printed

- unsigned int exts\_size

  the number of available structures

- gnutls\_certificate\_print\_formats\_t format

  Indicate the format to use

- gnutls\_datum\_t \* out

  Newly allocated datum with null terminated string.

## DESCRIPTION

This function will pretty print X.509 certificate extensions, suitable for display to a human.

The output  *out* needs to be deallocated using **gnutls\_free()**.

## RETURNS

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

## 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/