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idna_to_unicode_44i(3) libidn idna_to_unicode_44i(3)
idna_to_unicode_44i - API function
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.
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
int flags an Idna_flags value, e.g., IDNA_ALLOW_UNASSIGNED or
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 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 standard.
Report bugs to <email@example.com>.
General guidelines for reporting bugs: http://www.gnu.org/gethelp/
GNU Libidn home page: http://www.gnu.org/software/libidn/
Copyright (C) 2002-2021 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,
should give you access to the complete manual. As an alternative you
may obtain the manual from:
libidn 1.38 idna_to_unicode_44i(3)