All C Functions Are Created Equal

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All C Functions Are Created Equal

Each C function in a program is on equal footing with the others. Each can call any other function or be called by any other function. This makes the C function somewhat different from Pascal and Modula-2 procedures because those procedures can be nested within other procedures. Procedures in one nest are ignorant of procedures in another nest.

Isn't the function main() special? Yes, it is a little special in that when a program of several functions is put together, execution starts with the first statement in main() , but that is the limit of its preference. Even main() can be called by itself recursively or by other functions, although this is rarely done.

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