extern void pspeak(vocab_t, enum speaktype, bool, int, ...);
extern void rspeak(vocab_t, ...);
extern void echo_input(FILE*, const char*, const char*);
-extern bool silent_yes(void);
-extern bool yes(const char*, const char*, const char*);
+extern bool silent_yes_or_no(void);
+extern bool yes_or_no(const char*, const char*, const char*);
extern void juggle(obj_t);
extern void move(obj_t, loc_t);
extern loc_t put(obj_t, int, int);