用C无符号的十六进制常量？ [英] Unsigned hexadecimal constant in C?

问题描述

请问治疗Ç十六进制常数（例如0x23FE），并签署或unsigned int类型？

Does C treat hexadecimal constants (e.g. 0x23FE) and signed or unsigned int?

阿姆鲁

推荐答案

数本身总是PTED作为非负数间$ P $。十六进制常数不具有标志或ex的preSS负数任何固有方式。该类型的常量的是这些可再present自己的价值第一个：

The number itself is always interpreted as a non-negative number. Hexadecimal constants don't have a sign or any inherent way to express a negative number. The type of the constant is the first one of these which can represent their value:

int
unsigned int
long int
unsigned long int
long long int
unsigned long long int

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