What is the difference between in-built functions and user-defined fun

1.	What is the difference between in-built functions and user-defined functions?
Answer» A programmer has to write a user-defined function, whereas in-built functions are available to a programmer in the standard ‘c++’ libraries. Due to this, the in-built functions are also known as library functions. Eg: sqrt(), setw(), strlen( ), strcat(), etc.,

What is the difference between in-built functions and user-defined functions?

Answer»

A programmer has to write a user-defined function, whereas in-built functions are available to a programmer in the standard ‘c++’ libraries. Due to this, the in-built functions are also known as library functions.

Eg: sqrt(), setw(), strlen( ), strcat(), etc.,

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What is the difference between in-built functions and user-defined functions?

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