Be careful of Magic behaviour due to compilersThis tip submitted by manik on 2011-10-14 07:11:41. It has been viewed 7964 times.
Rating of 5.3 with 15 votes
Always try to define functions before using it or at least give prototype.
Else some compilers like gcc will cause different behaviour
If you compile this code using gcc, you will get surprised because it will allow the function call. So avoid using functions before they are declared.
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