Evaluation Order Sucks

Just fixed an error with
array[count++]= foo();
where foo() modified count, in effect writing stuff into the incorrect location.

Haskell's lazy evaluation would have prevented that.

>>41
The seed still needs to come from somewhere, and just using something like the PID often isn't good enough.

Anyway, if you want to just discuss stdlib rand, POSIX defines a reentrant form (rand_r) for exactly the reasons already discussed.