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Operations with Pointers

This is a discussion on Operations with Pointers within the C and C++ forums, part of the Programming Talk category; I want to know whether all arithmetic operations are allowed with pointer variables. If not what are the operations that ...


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Old 04-04-2007, 06:04 PM
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Operations with Pointers
I want to know whether all arithmetic operations are allowed with pointer variables. If not what are the operations that are allowed and not allowed. Kindly provide the list.
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Old 04-17-2007, 03:32 PM
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The allowed operations on Pointers are:
Assignment to other pointers of the same type
Addition and subtraction of a pointer to an integer
Assignment of the value 0
Comparison to the value 0

Other than the above operations other operations are not allowed with pointers.
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Old 04-17-2007, 05:31 PM
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To explain you in brief I have given below some examples on operations that are not allowed with pointers.
Multiplication or division on a pointer
Addition or subtraction of two pointer values
Assignment of a value other than 0 to a pointer
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