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oath_hex2bin(3)			    liboath		       oath_hex2bin(3)

NAME
       oath_hex2bin - API function

SYNOPSIS
       #include	<oath.h>

       int oath_hex2bin(const char * hexstr, char * binstr, size_t * binlen);

ARGUMENTS
       const char * hexstr
		   input string	with hex data

       char * binstr
		   output string that holds binary data, or NULL

       size_t *	binlen
		   output variable holding needed length of binstr

DESCRIPTION
       Convert string with hex data to binary data.

       Non-hexadecimal	data  are  not	ignored	 but  instead  will lead to an
       OATH_INVALID_HEX	error.

       If binstr is NULL, then binlen will be  populated  with	the  necessary
       length.	 If  the  binstr buffer	is too small, OATH_TOO_SMALL_BUFFER is
       returned	and binlen will	contain	the necessary length.

RETURNS
       On success, OATH_OK (zero) is returned, otherwise an error code is  re-
       turned.

REPORTING BUGS
       Report  bugs  to	 <oath-toolkit-help@nongnu.org>.   liboath  home page:
       http://www.gnu.org/software/liboath/ General help using	GNU  software:
       http://www.gnu.org/gethelp/

COPYRIGHT
       Copyright (C) 2009-2016 Simon Josefsson.
       Copying	and  distribution  of this file, with or without modification,
       are permitted in	any medium without royalty provided the	copyright  no-
       tice and	this notice are	preserved.

liboath				     2.6.2		       oath_hex2bin(3)

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | REPORTING BUGS | COPYRIGHT

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