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Re^3: reading C data structure

by GrandFather (Sage)
on Sep 18, 2012 at 02:22 UTC ( #994171=note: print w/replies, xml ) Need Help??

in reply to Re^2: reading C data structure
in thread reading C data structure

That really doesn't get us much further ahead. Do you want write code to call Perl from C (possible), or write code to call C from Perl (also possible), or call an existing C library function from Perl (possible too), or execute an existing Perl script from a C application passing a value through (possible) or execute an existing C application from a Perl script returning a value to the script (also possible), or something else?

Maybe you should let us in on the secret of what you actually want to do?

True laziness is hard work

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Re^4: reading C data structure
by asura (Initiate) on Sep 18, 2012 at 14:13 UTC

    i am writing a code to call C from Perl. As I said I have one variable in a C code that I want to export. This variable needs to be used by a perl function.

      So in fact it seems you have some C code that you need to access from Perl. The key "word" you need is "XS" and the documentation is in perlxs. You will probably find that documentation heavy going. If you describe what you are doing better you may garner more help. Calling some C code from Perl and returning a result is a very common task.

      True laziness is hard work

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