C++ 风格从 unsigned char * 转换为 const char *

C++ style cast from unsigned char * to const char *(C++ 风格从 unsigned char * 转换为 const char *)

问题描述

我有:

unsigned char *foo();
std::string str;
str.append(static_cast<const char*>(foo()));

错误:invalid static_cast from type ‘unsigned char*’ to type ‘const char*’

以 C++ 风格在此处进行转换的正确方法是什么?

What's the correct way to cast here in C++ style?

推荐答案

reinterpret_cast

reinterpret_cast

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