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gnutls_idna_map(3)                  gnutls                  gnutls_idna_map(3)

NAME
       gnutls_idna_map - API function

SYNOPSIS
       #include <gnutls/gnutls.h>

       int gnutls_idna_map(const char * input, unsigned ilen, gnutls_datum_t *
       out, unsigned flags);

ARGUMENTS
       const char * input
                   contain the UTF-8 formatted domain name

       unsigned ilen
                   the length of the provided string

       gnutls_datum_t * out
                   the result in an null-terminated allocated string

       unsigned flags
                   should be zero

DESCRIPTION
       This function will convert the provided UTF-8 domain name, to its IDNA
       mapping in an allocated variable. Note that depending on the flags the
       used gnutls library was compiled with, the output of this function may
       vary (i.e., may be IDNA2008, or IDNA2003).

       To force IDNA2008 specify the flag GNUTLS_IDNA_FORCE_2008. In the case
       GnuTLS is not compiled with the necessary dependencies,
       GNUTLS_E_UNIMPLEMENTED_FEATURE will be returned to indicate that gnutls
       is unable to perform the requested conversion.

       Note also, that this function will return an empty string if an empty
       string is provided as input.

RETURNS
       GNUTLS_E_INVALID_UTF8_STRING on invalid UTF-8 data, or 0 on success.

SINCE
       3.5.8

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_idna_map(3)