Learn Pointer In C At TCCI, Ahmedabad

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A pointer is a variable which contains the address of another variable. The unary operator & gives the ``address of a variable''.

i.e. int a=10; // Declaration of int variable a

int *p; // Declaration of pointer variable p

p=&a; //now assign address of a variable to the p pointer .

p

address	variable
5000	a=10

We can do integer arithmetic on a pointer like ++*p;