314 class macro_input : public input {  class
318   macro_input(const char *, input *);
319   ~macro_input();
324 class top_input : public macro_input {
426 macro_input::macro_input(const char *str, input *x) : input(x)  in macro_input()  function in macro_input
431 macro_input::~macro_input()  in ~macro_input()
436 int macro_input::get()  in get()
444 int macro_input::peek()  in peek()
453 : macro_input(str, x), lineno(ln)  in top_input()
465   int c = macro_input::get();  in get()
866 	      current_input = new macro_input(def->contents, current_input);  in get_token()
1019     current_input = new macro_input(token_buffer.contents(), current_input);  in do_ifdef()