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C provides the important feature of data manipulations with the address of the variables, the execution time is very much reduced such concept is possible with the special data type called Pointers. Pointer:- A pointer is a variable which stores the address of another variable. Declaration:-Pointer declaration is similar toContinue Reading

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The scope and lifetime of variables in functions:-Variables in C different behavior from those in most other language.  For example in a basic program a variable returns its value through out the program.  It is not always the case in ‘C’.  It always depends on the storage classes the variableContinue Reading

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C Constants are also like normal variables. But, only difference is, their values can not be modified by the program once they are defined. Constants refer to fixed values. They are also called as literals Constants may be belonging to any of the data type. Syntax: const data_type variable_name; (or) const data_type *variable_name;Continue Reading