在 2022/12/21 13:05, Biswapriyo Nath 写道:
In various headers, the name 'interface' is a macro which is defined to 'struct' keyword. But that causes problem in code where 'interface' is used as a variable name. Here are the list of headers in mingw-w64
The `interface` macro is used to make declarations of abstract classes more descriptive, and has the same effect as `struct`.
And there is the same error if your example is compiled with the Microsoft compiler: ``` E:\lh_mouse\Desktop>cl test.c Microsoft (R) C/C++ Optimizing Compiler Version 19.34.31933 for x64 Copyright (C) Microsoft Corporation. All rights reserved. test.c test.c(4): error C2236: unexpected token 'struct'. Did you forget a ';'? test.c(4): error C2332: 'struct': missing tag name test.c(4): error C2513: '': no variable declared before '=' ```If you define `WIN32_LEAN_AND_MEAN` (either `#define` it or pass `-DWIN32_LEAN_AND_MEAN` to GCC) before inclusion of <windows.h>, then the error will go away. This seems to be yet another reason why `WIN32_LEAN_AND_MEAN` should be preferred.
-- Best regards, LIU Hao
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