Re: constant values INDOMAIN_* in fd_values_c.c

[Daniel Diaz]

Otmane BENKIRANE a écrit :
> hello,
>
> thank you for you last answer.
>
> In the fd_values_c.c file, I don't understand what's mean  the  constant
> value in #define (an ascii conversion, ...), how  can i  obtain this
> value if i define others constants ?
> example :
> #define INDOMAIN_RANDOM_ALT  X24696E646F6D61696E5F72616E646F6D5F616C74
>
> Thanks

Each Prolog predicate gives rise to a C identifier built with the ASCII 
code of each character of the predicate. In this case the predicate is
'$indomain_random_alt' defined in fd_values.pl (24 is the ASCII code of 
$, 69 of i,...).

A way to obtain it is to use hexgplc as follows:

hexgplc -H '$indomain_random_alt'
X24696E646F6D61696E5F72616E646F6D5F616C74

See also the documentation: 
http://gnu-prolog.inria.fr/manual/manual008.html#toc11



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