Pointer Example, Swap two values with pointer

char c1 = 'A';

char c2 = 'Z';

char temp, *p;

p = &c1;

temp = *p;

*p = c2;

c2 = temp;

c1 c2 temp p

A

Z

10 11 12 100

p

10

c1 c2 temp

A

Z

A

Z

Z

A

Z

A

A

c1 c2 temp

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