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tld_check_4z(3)			    libidn		       tld_check_4z(3)

NAME
       tld_check_4z - API function

SYNOPSIS
       #include <tld.h>

       int  tld_check_4z(const uint32_t * in, size_t * errpos, const Tld_table
       ** overrides);

ARGUMENTS
       const uint32_t * in
		   Zero-terminated array of unicode code points to process.

       size_t * errpos
		   Position of offending character is returned here.

       const Tld_table ** overrides
		   A Tld_table array of additional domain  restriction	struc‐
		   tures  that	complement and supersede the built-in informa‐
		   tion.

DESCRIPTION
       Test each of the code points in in for whether or not they are  allowed
       by  the	information  in	 overrides  or by the built-in TLD restriction
       data. When data for the same TLD is available both  internally  and  in
       overrides,  the	information  in overrides takes precedence. If several
       entries for a specific TLD are found, the first one is used.  If	 over‐
       rides  is NULL, only the built-in information is used.  The position of
       the first offending character is returned in errpos.

RETURN VALUE
       Returns the Tld_rc value TLD_SUCCESS if all code points	are  valid  or
       when  tld  is null, TLD_INVALID if a character is not allowed, or addi‐
       tional error codes on general failure conditions.

REPORTING BUGS
       Report  bugs  to	  <bug-libidn@gnu.org>.	   GNU	 Libidn	  home	 page:
       http://www.gnu.org/software/libidn/  General  help  using GNU software:
       http://www.gnu.org/gethelp/

COPYRIGHT
       Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010	 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				     1.19		       tld_check_4z(3)

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