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idna_to_unicode_44i(3)              libidn              idna_to_unicode_44i(3)

       idna_to_unicode_44i - API function

       #include <idna.h>

       int idna_to_unicode_44i(const uint32_t * in, size_t inlen, uint32_t * out, size_t * outlen, int flags);

       const uint32_t * in
                   input array with unicode code points.

       size_t inlen
                   length of input array with unicode code points.

       uint32_t * out
                   output array with unicode code points.

       size_t * outlen
                   on  input,  maximum  size  of output array with unicode code points, on exit, actual size of output
                   array with unicode code points.

       int flags   an Idna_flags value, e.g., IDNA_ALLOW_UNASSIGNED or IDNA_USE_STD3_ASCII_RULES.

       The ToUnicode operation takes a sequence of Unicode code points that make up one domain  label  and  returns  a
       sequence of Unicode code points. If the input sequence is a label in ACE form, then the result is an equivalent
       internationalized label that is not in ACE form, otherwise the original sequence is returned unaltered.

       ToUnicode never fails. If any step fails, then the original input sequence  is  returned  immediately  in  that

       The  Punycode  decoder can never output more code points than it inputs, but Nameprep can, and therefore ToUni-
       code can.  Note that the number of octets needed to represent a sequence of code points depends on the particu-
       lar character encoding used.

       The  inputs  to  ToUnicode  are  a sequence of code points, the AllowUnassigned flag, and the UseSTD3ASCIIRules
       flag. The output of ToUnicode is always a sequence of Unicode code points.

       Returns Idna_rc error condition, but it must only be used for debugging purposes.  The output buffer is  always
       guaranteed  to contain the correct data according to the specification (sans malloc induced errors).  NB!  This
       means that you normally ignore the return code from this function, as checking it means breaking the  standard.

       Report  bugs  to  <>.  GNU Libidn home page: General help
       using GNU software:

       Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Simon Josefsson.
       Copying and distribution of this file, with or without modification, are permitted in any medium  without  roy-
       alty provided the copyright notice and this notice are preserved.

       The full documentation for libidn is maintained as a Texinfo manual.  If the info and libidn programs are prop-
       erly installed at your site, the command

              info libidn

       should give you access to the complete manual.

libidn                               1.18               idna_to_unicode_44i(3)