extern u32b message__tail;
extern u32b *message__ptr;
extern char *message__buf;
-extern u32b option_flag[8];
-extern u32b option_mask[8];
-extern u32b window_flag[8];
-extern u32b window_mask[8];
+extern BIT_FLAGS option_flag[8];
+extern BIT_FLAGS option_mask[8];
+extern BIT_FLAGS window_flag[8];
+extern BIT_FLAGS window_mask[8];
extern term *angband_term[8];
extern const char angband_term_name[8][16];
extern byte angband_color_table[256][4];