From: Martin Hansen <mail@...>
Date: 2011-11-08T20:10:58+09:00
Subject: Re: Compiling Ruby Inline C code - resolving errors

I was in doubt whether to use:

char* s = StringValuePtr(rb_iv_get(self, "@seq"));

or

char* s = RSTRING_PTR(rb_iv_get(self, "@seq"))

I see now that the first is plain wrong, but what about the latter? When 
is that used?

I tried to apply the suggested changes, but the C code still have "VALUE 
self" as first argument in the functions. How did you get rid of that?

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