Question

Diffence between built in function and user defined function with example

Answer 1

Built-in function are embedded in language. They are provided by compiler. Some examples are read(), write(), atol(). User defined functions are provided by user or bought from an external library.

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Answer 2

Explanation:

Build in function::

Built-in functions are the functions that are provided by any language library. In the programming world, many activities are done by using a built-in function. A library function is accessed simply by writing the function name, followed by an optional list of arguments.

User-defined function ::

User has to define some functions themselves in order to have their work done. And such functions are called user-defined functions.