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CentOS 7.0 - man page for idna_to_unicode_44i (centos section 3)

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 step.

       The  Punycode  decoder can never output more code points than it inputs, but Nameprep can,
       and therefore ToUnicode can.  Note that	the  number  of  octets  needed  to  represent	a
       sequence of code points depends on the particular 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

       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 specifica-
       tion  (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  <bug-libidn@gnu.org>.   GNU  Libidn  home  page:  http://www.gnu.org/soft-
       ware/libidn/ General help using GNU software: http://www.gnu.org/gethelp/

       Copyright (C) 2002-2013 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.

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

	      info libidn

       should give you access to the complete manual.

libidn					       1.28			   idna_to_unicode_44i(3)

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