如何检查多个宏中的一个是否定义在单个#ifdef中？ 我有一些C++代码，如果 > pAueLo> < /C> >或代码>

如果我按照正常的

If

条件进行操作，那么使用

|

就很容易了：

if (something || something) { .. code .. }

---

但据我所知，对于

#ifdef

语句，没有

|

操作符。我如何检查

\uuuu APPLE\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu

#if defined(__APPLE__) || defined(__linux)

如果您愿意，这也适用

#if defined __APPLE__ || defined __linux

<>我的C++中有.< /p>
#if defined(__APPLE__) || defined(__linux)
  // ...
#endif

那么，如果您认为“在OSX/iOS和Linux上可用”，那么您不想检查POSIX的可用性吗？可能是