+
−struct place;
+
−
+
−void macro_define(struct place *, const char *macro,
+
−		  struct place *, const char *expansion);
+
−void macro_undef(const char *macro);
+
−bool macro_isdefined(const char *macro);
+
−
+
−char *macroexpand(struct place *, char *buf, size_t len, bool honordefined);
+
−
+
−void macro_sendline(struct place *, char *buf, size_t len);
+
−void macro_sendeof(struct place *);