用C串连十六进制数 [英] Concatenate hex numbers in C

问题描述

我一直在试图串连4十六进​​制数似乎并不能做到这一点。

I've been trying to concatenate 4 hex numbers and can't seem to do it.

例如：

int a = 0x01;
int b = 0x00;
int c = 0x20;
int d = 0xF1;
//Result should be 0x010020F1

这是我使用sprintf和位运算总是切断零获取结果，让我回答像1020F1，这比我想要什么太大的不同。任何人有更好的方法？

The results that I am getting using sprintf and bitwise operations always cut off zeros, giving me answers like 1020F1, which is much different than what I want. Anybody have a better method?

推荐答案

假设 unsigned int类型A，B，C，D;

unsigned int result = (a<<24) | (b<<16)| (c<<8) | d;

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