podian,
You are going to want to take a look at least two things: The first one allows you to in-line C code. The second will allow you to capture the output of an externally called C program as in: 
my $foo = qx{ ./external };

[download]
Cheers - L~R

In reply to Re: getting the return value from a C program by Limbic~Region
in thread getting the return value from a C program by podian

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