-void init_keybindings(struct World *);
-void save_keybindings(struct World *);
-uint16_t get_action_key (struct KeyBinding *, char *);
-char * get_keyname(uint16_t);
-void keyswin_mod_key (struct World *, struct WinMeta *);
-void keyswin_move_selection (struct World *, char);
+extern void init_keybindings(struct World *);
+extern void save_keybindings(struct World *);
+extern uint16_t get_action_key (struct KeyBinding *, char *);
+extern char * get_keyname(uint16_t);
+extern void keyswin_mod_key (struct World *, struct WinMeta *);
+extern void keyswin_move_selection (struct World *, char);