punycode_decode man page on QNX
punycode_decode(3) libidn punycode_decode(3)
punycode_decode - API function
int punycode_decode(size_t input_length, const char  input, size_t *
output_length, punycode_uint  output, unsigned char  case_flags);
The number of ASCII code points in the input array.
const char  input
An array of ASCII code points (0..7F).
size_t * output_length
The caller passes in the maximum number of code points that
it can receive into the output array (which is also the
maximum number of flags that it can receive into the
case_flags array, if case_flags is not a NULL pointer). On
successful return it will contain the number of code points
actually output (which is also the number of flags actually
output, if case_flags is not a null pointer). The decoder
will never need to output more code points than the number
of ASCII code points in the input, because of the way the
encoding is defined. The number of code points output can‐
not exceed the maximum possible value of a punycode_uint,
even if the supplied output_length is greater than that.
punycode_uint  output
An array of code points like the input argument of puny‐
code_encode() (see above).
unsigned char  case_flags
A NULL pointer (if the flags are not needed by the caller)
or an array of boolean values parallel to the output array.
Nonzero (true, flagged) suggests that the corresponding
Unicode character be forced to uppercase by the caller (if
possible), and zero (false, unflagged) suggests that it be
forced to lowercase (if possible). ASCII code points
(0..7F) are output already in the proper case, but their
flags will be set appropriately so that applying the flags
would be harmless.
Converts Punycode to a sequence of code points (presumed to be Unicode
The return value can be any of the Punycode_status values defined
above. If not PUNYCODE_SUCCESS, then output_length, output, and
case_flags might contain garbage.
Report bugs to <email@example.com>. GNU Libidn home page:
http://www.gnu.org/software/libidn/ General help using GNU software:
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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.
libidn 1.19 punycode_decode(3)
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