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| The difference between ++*P, *p++ and *++p is that: | ||
| ++*P increases the value of *p by one | ||
| *p++ moves up the location of the pointer by one | ||
| *++p will do exactly what ++*p does |
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The expression ++*p has two operators of same precedence, so compiler looks for associativity. Associativity of operators is right to left. Therefore the expression is treated as ++(*p). The expression *p++ is treated as *(p++) as the precedence of postfix ++ is higher than *. The expression *++p has two operators of same precedence, so compiler looks for associativity. Associativity of operators is right to left. Therefore the expression is treated as *(++p).
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