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pointers points to the memory address of another variable.....in functions we have two kind of variables the actual and dummy variable. when we operate on variables..the value of dummy variables are effected, but if we want to make changes in the actual variable then we have to refer to their address..and we can reach to address of the variables by only using pointers.
Wiki User
∙ 12y ago
Wiki User
∙ 10y agothe main advantage is that the program is free to allocate memory as needed during runtime instead of being limited to what was allocated during compile & link time.
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