idna_to_unicode_44i - phpMan

idna_to_unicode_44i(3)              libidn              idna_to_unicode_44i(3)



NAME
       idna_to_unicode_44i - convert domain name label to Unicode

SYNOPSIS
       #include <idna.h>

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

ARGUMENTS
       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.

DESCRIPTION
       The ToUnicode operation takes a sequence of Unicode code points that  make  up  one
       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 repre-
       sent 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 points.

RETURN VALUE
       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 stan-
       dard.

REPORTING BUGS
       Report bugs to <bug-libidn AT gnu.org>.

COPYRIGHT
       Copyright © 2002, 2003, 2004 Simon Josefsson.
       Permission is granted to make and distribute verbatim copies of  this  manual  pro-
       vided  the copyright notice and this permission notice are preserved on all copies.

SEE ALSO
       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                              0.5.15              idna_to_unicode_44i(3)

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