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This section will probably generate some discussion! Its main aim is to make you aware of some areas that can cause problems. These areas can be avoided with good technique...

• Iteration vs Recursion.

See also:

• http://www.chiark.greenend.org.uk/~sgtatham/coroutines.html Coroutines in C. Nasty little trick that makes different routines work side by side and still look nice without true multitasking.

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Martin Leslie