Acid ported to C

Speed: 151-170 million cycles per frame render.
C Version 1.0 can be downloaded here http://pastebin.com/ET72dQM7
Latest JavaScript version(Acid 8) is @ http://pastebin.com/Y3gYPdVB
Comment/critique/improve/suggest more hacks,features and tricks to improve v1.0
Its not a direct port, but a reimplementation to capitalize on C features.

signed char:12 characters to write
char : 5 characters to write and char is not a definite type(it can be both signed and unsigned)
s1 :3 characters to write, completely and unambiguously defined as signed byte.
Who is retarded now?