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gnutls_supplemental_register(3)     gnutls     gnutls_supplemental_register(3)


NAME

       gnutls_supplemental_register - API function


SYNOPSIS

       #include <gnutls/gnutls.h>

       int gnutls_supplemental_register(const char * name,
       gnutls_supplemental_data_format_type_t type, gnutls_supp_recv_func
       recv_func, gnutls_supp_send_func send_func);


ARGUMENTS

       const char * name
                   the name of the supplemental data to register

       gnutls_supplemental_data_format_type_t type
                   the type of the supplemental data format

       gnutls_supp_recv_func recv_func
                   the function to receive the data

       gnutls_supp_send_func send_func
                   the function to send the data


DESCRIPTION

       This function will register a new supplemental data type (rfc4680).
       The registered data will remain until gnutls_global_deinit() is called.
       The provided  type must be an unassigned type in
       gnutls_supplemental_data_format_type_t. If the type is already
       registered or handled by GnuTLS internally GNUTLS_E_ALREADY_REGISTERED
       will be returned.

       This function is not thread safe. As supplemental data are not defined
       under TLS 1.3, this function will disable TLS 1.3 support globally.


RETURNS

       GNUTLS_E_SUCCESS on success, otherwise a negative error code.


SINCE

       3.4.0


REPORTING BUGS

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


COPYRIGHT

       Copyright (C) 2001- 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/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

       https://www.gnutls.org/manual/

gnutls                               3.7.9     gnutls_supplemental_register(3)

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