</pre> <BR><BR>It appears that I'm leaking memory, but I'm not sure I can fix it without knowing what those question marks are. <BR><BR>I'm using a Gentoo system with gcc version 4.1.2 and glibc ...

While not new to programming, I am new to using a low-level language (spend most of my time in Python). I think I'm doing fairly well. I've read through K&R and am now testing myself on euler. However ...