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Functions

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Functions in C language

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  • February 11, 2021
  • 36
  • 2018/2019
  • Presentation
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Functions


©LPU CSE202 C++ Programming

, What is function????
• Function is a self contained block of
statements that perform a coherent task of
some kind.
• Every C++ program can be a thought of the
collection of functions.
• main( ) is also a function.




©LPU CSE202 C++ Programming

, Types of Functions.

• Library functions
– These are the in- -built functions of ‘C++ ’library.
– These are already defined in header files.
– e.g. Cout<<; is a function which is used to print at
output. It is defined in ‘iostream.h ’ file .
• User defined functions.
– Programmer can create their own function in C++
to perform specific task


©LPU CSE202 C++ Programming

, Why use function?


©LPU CSE202 C++ Programming

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