5 @deftypefun {int} {gnutls_hex2bin} (const char * @var{hex_data}, size_t @var{hex_size}, void * @var{bin_data}, size_t * @var{bin_size})
6 @var{hex_data}: string with data in hex format
8 @var{hex_size}: size of hex data
10 @var{bin_data}: output array with binary data
12 @var{bin_size}: when calling should hold maximum size of @code{bin_data} ,
13 on return will hold actual length of @code{bin_data} .
15 Convert a buffer with hex data to binary data.
17 @strong{Returns:} @code{GNUTLS_E_SUCCESS} on success, otherwise a negative error code.