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What is significance of ” * ” ?

What is significance of ” * ” ?
pointer.

The symbol “*” tells the computer that you are declaring a pointer.
Actually it depends on context.
In a statement like int ptr; the ‘’ tells that you are declaring a pointer.
In a statement like int i = *ptr; it tells that you want to assign value pointed to by ptr to variable i.

The symbol “*” is also called as Indirection Operator/ Dereferencing Operator.