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Function <returntype> <name>([<parameters>]);
Function is a reserved word used to start the code of a function.
A function is a subroutine to which one or more of the following apply:
- it receives parameters
- it acts on the parameters
- it processes data located elsewhere
- it returns a value
The difference between a function and a process is that the calling process or function waits until the function is completed. When a process or function calls a process, it doesn't wait. This means that, even when the called function contains frame statements, the calling function or process still waits for the function to finish. This is shown in this tutorial.
For a list of functions, see this list of functions.
Function int addInts( int a , int b ) Private // Declare private variables here Begin // Start the main functioncode return a+b; End // End the main functioncode
addInts(3,6); will return 9. One can see that the function does indeed:
- receive parameters.
- act on the parameters.
- return a value.