1/* Some Comment */
 2
 3int foo();
 4
 5#undef SOME_NO
 6#undef SOME_TRUE
 7#undef SOME_FALSE
 8#undef SOME_ZERO
 9#undef SOME_ONE
10#undef SOME_TEN
11#undef SOME_ENUM
12#undef SOME_ENUM_LITERAL
13#undef SOME_STRING
14
15// Used twice
16#undef SOME_TRUE
17
18#undef PREFIX_SPACE
19#undef	PREFIX_TAB
20#undef POSTFIX_SPACE 
21#undef POSTFIX_TAB