c macro function return value
Same function, different input, it works. The same applies for a function-style macro: you supply the macro with different arguments, and then you get the same macro replacement (the "return" of a value). If you did not use a function-style mac, 函式可以有回傳值(return value) ，也可以沒有回傳值，但是沒有回傳的函數要宣告為void。以及每個c++的return只能回傳一個值。有回傳值的函數要 ...
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 c macro function return value 相關參考資料
return a value from a #define macro! - MSDN - Microsoft
I would like to return a value from a define macro. ... In normal C++, inline functions usually achieve the same, but your computer is not C++. https://social.msdn.microsoft. Macros return values - C Board
Same function, different input, it works. The same applies for a function-style macro: you supply the macro with different arguments, and then you get the same macro replacement (the "return&quo... https://cboard.cprogramming.co 程式設計微知識(二) 函式(function)與巨集(macro) | 阿夢的程式 ...
函式可以有回傳值(return value) ，也可以沒有回傳值，但是沒有回傳的函數要宣告為void。以及每個c++的return只能回傳一個值。有回傳值的函數要 ... https://dotblogs.com.tw Using and returning output in C macro - Stack Overflow
I agree inline functions are better but MACROs do offer some pretty ... If you need to get the err value out of the macro, you can just add a ... https://stackoverflow.com How to return value from C macro? - Stack Overflow
Is there any way to do it without using gcc construct and returning value from that ... I know that I can replace this macro with inline function which will do the work ... https://stackoverflow.com Have macro 'return' a value - Stack Overflow
For a macro to "return a value", the macro itself has to be an expression. Your macro is a statement block, which cannot evaluate to an expression. You really ought to write an inline funct... https://stackoverflow.com C - make #define 'return' a value - Stack Overflow
You can modify your macro to also define the HWND instance in the ... at it from the perspective of a function where you take the return value. https://stackoverflow.com C macro returning type of variable - Stack Overflow
Sorry, this is not possible in the C family. (It is possible in languages with a more powerful macro system, such as Common Lisp and Rust.). https://stackoverflow.com |