RT，本人在写一个项目时用到了多头文件互相调用，通过一些宏定义解决了递归调用的问题。但是，现在出现了未定义调用的现象，报错如下：

In file included from modules/file-process.h:15,
                 from modules/commands.h:14,
                 from modules/apis.h:13,
                 from WCH.cpp:8:
modules/functions.h: In function 'void WCH_Init()':
modules/functions.h:55:16: error: 'WCH_GetUserName' was not declared in this scope; did you mean 'GetUserName'?
   55 |     UserName = WCH_GetUserName();
      |                ^~~~~~~~~~~~~~~
      |                GetUserName
modules/functions.h:60:5: error: 'WCH_SetWindowStatus' was not declared in this scope
   60 |     WCH_SetWindowStatus(true);
      |     ^~~~~~~~~~~~~~~~~~~
In file included from modules/apis.h:13,
                 from WCH.cpp:8:
modules/commands.h: In function 'void WCH_pi()':
modules/commands.h:110:5: error: 'WCH_SetWindowStatus' was not declared in this scope
  110 |     WCH_SetWindowStatus(false);
      |     ^~~~~~~~~~~~~~~~~~~
modules/commands.h: In function 'void WCH_anti_idle()':
modules/commands.h:134:9: error: 'WCH_SetWindowStatus' was not declared in this scope
  134 |         WCH_SetWindowStatus(false);
      |         ^~~~~~~~~~~~~~~~~~~
modules/commands.h:136:9: error: 'WCH_SetTrayStatus' was not declared in this scope
  136 |         WCH_SetTrayStatus(false);
      |         ^~~~~~~~~~~~~~~~~
modules/commands.h:138:9: error: 'WCH_SetWindowPos' was not declared in this scope; did you mean 'SetWindowPos'?
  138 |         WCH_SetWindowPos(false);
      |         ^~~~~~~~~~~~~~~~
      |         SetWindowPos

这几个头文件均在 https://github.com/class-tools/Web-Class-Helper 中 modules 下。

球球了，调一天了……