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idna_strerror(3)			      libidn				 idna_strerror(3)

NAME
       idna_strerror - API function

SYNOPSIS
       #include <idna.h>

       const char * idna_strerror(Idna_rc rc);

ARGUMENTS
       Idna_rc rc  an Idna_rc return code.

DESCRIPTION
       Convert a return code integer to a text string.	This string can be used to output a diag-
       nostic message to the user.

IDNA_SUCCESS
       Successful operation.  This value is guaranteed to always be zero, the remaining ones  are
       only guaranteed to hold non-zero values, for logical comparison purposes.

IDNA_STRINGPREP_ERROR
       Error during string preparation.

IDNA_PUNYCODE_ERROR
       Error during punycode operation.

IDNA_CONTAINS_NON_LDH
       For IDNA_USE_STD3_ASCII_RULES, indicate that the string contains non-LDH ASCII characters.

IDNA_CONTAINS_MINUS
       For  IDNA_USE_STD3_ASCII_RULES,	indicate  that	the string contains a leading or trailing
       hyphen-minus (U+002D).

IDNA_INVALID_LENGTH
       The final output string is not within the (inclusive) range 1 to 63 characters.

IDNA_NO_ACE_PREFIX
       The string does not contain the ACE prefix (for ToUnicode).

IDNA_ROUNDTRIP_VERIFY_ERROR
       The ToASCII operation on output string does not equal the input.

IDNA_CONTAINS_ACE_PREFIX
       The input contains the ACE prefix (for ToASCII).

IDNA_ICONV_ERROR
       Could not convert string in locale encoding.

IDNA_MALLOC_ERROR
       Could not allocate buffer (this is typically a fatal error).

IDNA_DLOPEN_ERROR
       Could not dlopen the libcidn DSO (only used internally in libc).

RETURN VALUE
       Returns a pointer to a statically allocated string containing a description of  the  error
       with the return code rc.

REPORTING BUGS
       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
       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.

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					       1.28				 idna_strerror(3)
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