Calling Functions

You can call a function by using its name and supplying any needed parameters. Here is the general form of a function call:

function-name (parameters)

A function call can make up an entire statement, or it can be used as a subexpression. Here is an example of a standalone function call:

foo(5); 

In that example, the function foo is called with the parameter 5.

Here is an example of a function call used as a subexpression:

a = square(5); 

Supposing that the function square squares its parameter, the above example assigns the value 25 to a.

If a parameter takes more than one argument, you separate parameters with commas:

a = quux(5, 10);