Add std::ctypes

Author: brson

src/lib/ctypes.rs

@@ -0,0 +1,4 @@
+// FIXME: This can't be right
+type size_t = uint;
+type ssize_t = int;
+

src/lib/std.rc

@@ -29,6 +29,7 @@ mod comm;
 mod either;
 mod option;
 mod util;
+mod ctypes;
 
 // Authorize various rule-bendings.