From: John K <progml@...>
Date: 2006-03-08T00:45:13+09:00
Subject: pointer to c array in Ruby

Beginner's question: I'm creating a large C array using ALLOC_N and I 
want to pass that pointer to different C extensions.  I don't want to 
create a Ruby array (i.e. using rb_ary_new4()) because I won't operate 
on that array with any pure Ruby methods and I don't want the memcpy 
overhead.  How can I assign a variable to that pointer in Ruby and how 
do I prevent any garbage collection of my array?

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