1 #define BC //**/* 2 #define EC */**// 3 4 BC 5 comment? 6 EC 7 8 BC comment? EC 9 10 #define FOO(x) x 11 FOO(abc BC def EC ghi) 12 13 #define BAR(x, y) x y 14 BAR(abc BC def, ghi EC jkl) 15 16 BC 17 #define BAZ baz 18 EC 19 BAZ 20