2022年11月2日 · The expression *p++ is treated as *(p++) as the precedence of postfix ++ is higher than *. Therefore the output of second program is “ arr[0] = 10, arr[1] = 20, *p = 20 “. …

2018年10月14日 · * p ++ 先取指针p指向的值（数组第一个元素1），再将指针p自增1；p ++ 相当于 * (p ++)，p先与 ++ 结合，>然后p ++ 整体再与。 * p ++：等同于： * p; 文章浏览阅读4.7w …

2012年2月13日 · There is no ordering between the increment and the dereference. However, the * operator applies to the result of p++, which is the original value of p prior to the increment.

2012年8月14日 · But what does *p++ do? And how does it move from one element in the array to the next. In terms of operator precedence the postfix operator (++) binds tighter than the …

2017年2月14日 · *p++ means to move pointer p points the next element, so the 1st answer is 30. The difference of *p++ and *++p just like the difference of i++ and ++i . so the 2nd answer is …

*p++; is the same as: *(p++); which as p points to a single int is Undefined Behaviour. Also as p was changed from it's original value the later (*p)++; is UB. You have plenty of undefined …

2020年1月6日 · In C programming language, *p represents the value stored in a pointer. ++ is increment operator used in prefix and postfix expressions. * is dereference operator. …

*p++ uses postincrement (++; see Postincrement/Postdecrement) on the pointer p. that expression parses as *(p++), because a postfix operator always takes precedence over a …

2018年9月18日 · 首先查看C语言运算符优先级表，可以看到++和指针的*号运算优先级都是第二级。结合方向都是“右到左”*p++：等同于：*p; p += 1;解析：由于*和++的运算优先级一样，且是 …

Pointer variables must specify what kind of data they point to, i.e. the type of data for which they hold the address. This becomes very important when the pointer variables are used. When …