E int FDECL(zhitm, (struct monst *, int, int, struct obj **));
E int FDECL(burn_floor_objects, (int, int, BOOLEAN_P, BOOLEAN_P));
E void FDECL(buzz, (int, int, XCHAR_P, XCHAR_P, int, int));
-E void FDECL(dobuzz, (int, int, XCHAR_P, XCHAR_P, int, int, boolean));
+E void FDECL(dobuzz, (int, int, XCHAR_P, XCHAR_P, int, int, BOOLEAN_P));
E void FDECL(melt_ice, (XCHAR_P, XCHAR_P, const char *));
E void FDECL(start_melt_ice_timeout, (XCHAR_P, XCHAR_P, long));
E void FDECL(melt_ice_away, (ANY_P *, long));
static coord clicklook_cc;
STATIC_DCL char *NDECL(parse);
-STATIC_DCL void FDECL(show_direction_keys, (winid, boolean));
+STATIC_DCL void FDECL(show_direction_keys, (winid, BOOLEAN_P));
STATIC_DCL boolean FDECL(help_dir, (CHAR_P, const char *));
STATIC_PTR int