modernc.org/cc@v1.0.1/testdata/example-6.10.3.5-7.h (about)

     1  #define debug(...)		fprintf(stderr, __VA_ARGS__)
     2  #define showlist(...)		puts(#__VA_ARGS__)
     3  #define report(test, ...) 	((test)?puts(#test):\
     4  				printf(__VA_ARGS__))
     5  
     6  debug("Flag");
     7  debug("X = %d\n", x);
     8  showlist(The first, second, and third items.);
     9  report(x>y, "x is %d but y is %d", x, y);