I have a project with 10 *.cpp, one *.h, and one *.ino files in it. The header file contains the macro: #define ELEMENTCOUNT(x) (sizeof(x) / sizeof(x[0])) // Macro to get array element count,* In one situation, I call it passing in the name of this array: const char *contestExchanges[] = { /…

Macro expansion across multiple files

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