---
name: "gnutls_supplemental_send"
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_supplemental_send"
---

# gnutls\_supplemental\_send(3)

API function

## NAME

gnutls\_supplemental\_send - API function

## SYNOPSIS

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

**void gnutls\_supplemental\_send(gnutls\_session\_t** *session***, unsigned** *do\_send\_supplemental***);**

## ARGUMENTS

- gnutls\_session\_t session

  is a **gnutls\_session\_t** type.

- unsigned do\_send\_supplemental

  non-zero in order to send supplemental data

## DESCRIPTION

This function is to be called by an extension handler to instruct gnutls to send supplemental data during the handshake process.

## SINCE

3\.4.0

## 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/