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Defining a Function

Defining a Function

Learn the syntax for defining a function.

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Structure of a function

A function is defined in the following way:

C
returnType functionName (param1Type param1Name, param2Type param2Name) {
   function_statement1;
   function_statement2;
   return returnVar;
}

This seems rather abstract, but we will see a concrete example in a moment. Here’s a breakdown:

  • Return type: On the first line, we have to begin by declaring what data type the function will return once it finishes. We can define a function that doesn’t return anything by using the data type void.
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