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idn2_to_ascii_4z(3)                 libidn2                idn2_to_ascii_4z(3)


NAME

       idn2_to_ascii_4z - API function


SYNOPSIS

       #include <idn2.h>

       int idn2_to_ascii_4z(const uint32_t * input, char ** output, int
       flags);


ARGUMENTS

       const uint32_t * input
                   zero terminated input Unicode (UCS-4) string.

       char ** output
                   pointer to newly allocated zero-terminated output string.

       int flags   optional idn2_flags to modify behaviour.


DESCRIPTION

       Convert UCS-4 domain name to ASCII string using the IDNA2008 rules.
       The domain name may contain several labels, separated by dots.  The
       output buffer must be deallocated by the caller.

       The default behavior of this function (when flags are zero) is to apply
       the IDNA2008 rules without the TR46 amendments. As the TR46
       non-transitional processing is nowadays ubiquitous, when unsure, it is
       recommended to call this function with the IDN2_NONTRANSITIONAL and the
       IDN2_NFC_INPUT flags for compatibility with other software.

       Return value: Returns IDN2_OK on success, or error code.


SINCE

       2.0.0


REPORTING BUGS

       Report bugs to <help-libidn@gnu.org>.
       General guidelines for reporting bugs: https://www.gnu.org/gethelp/
       Libidn2 home page: https://www.gnu.org/software/libidn2/


COPYRIGHT

       Copyright (C) 2002-2022 Simon Josefsson.
       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 libidn2 is maintained as a Texinfo manual.
       If the info and libidn2 programs are properly installed at your site,
       the command

              info libidn2

       should give you access to the complete manual.  As an alternative you
       may obtain the manual from:

              https://www.gnu.org/software/libidn/libidn2/manual/

libidn2                              2.3.4                 idn2_to_ascii_4z(3)

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