---
name: "gnutls_url_is_supported"
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_url_is_supported"
---

# gnutls\_url\_is\_supported(3)

API function

## NAME

gnutls\_url\_is\_supported - API function

## SYNOPSIS

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

**unsigned gnutls\_url\_is\_supported(const char \*** *url***);**

## ARGUMENTS

- const char \* url

  A URI to be tested

## DESCRIPTION

Check whether the provided  *url* is supported.  Depending on the system libraries GnuTLS may support pkcs11, tpmkey or other URLs.

## RETURNS

return non-zero if the given URL is supported, and zero if it is not known.

## SINCE

3\.1.0

## 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/