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| Yael Kelmer. | |||
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| 1. ++*p increments the value of the datatype located at pointer p and then points at that location. *p++ points at the location in memory of p and then increments the value there. | |||
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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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