From ruby-talk  Thu Feb 23 13:32:07 2006
From: Caleb Tennis <caleb () aei-tech ! com>
Date: Thu, 23 Feb 2006 13:32:07 +0000
To: ruby-talk
Subject: Re: compiling c program using rb_eval_string()
Message-Id: <200602230829.11887.caleb () aei-tech ! com>
X-MARC-Message: https://marc.info/?l=ruby-talk&m=114070155923965


> I compiled it and get bellow result.

This is in your C compiler.  You probably need to add some library flags like 
"-lcrypt -ldl" or others in order for the linker to be happy.