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diff --git a/src/client/keybindings.h b/src/client/keybindings.h
index e288203..0d426e3 100644
--- a/src/client/keybindings.h
+++ b/src/client/keybindings.h
@@ -7,6 +7,7 @@
 #define KEYBINDINGS_H
 
 #include <stdint.h> /* uint8_t, uint16_t */
+#include <stdio.h> /* FILE */
 struct Command;
 
 
@@ -14,7 +15,7 @@ struct Command;
 struct KeyBinding
 {
   struct KeyBinding * next;
-  uint16_t key; /* keycode */
+  uint16_t keycode;
   struct Command * command; /* command in command DB to which key is bound */
 };
 
@@ -29,32 +30,31 @@ struct KeyBindingDB
 
 /* Return command bound to keycode; NULL on failure. */
 extern struct Command * get_command_to_keycode(struct KeyBinding * kb_p,
-                                               uint16_t key);
+                                               uint16_t keycode);
 
 /* Return human-readable name (of maximum 9 chars) for "keycode" as matched by
  * ncurses.h; if none is found, return "UNKNOWN".
  */
 extern char * get_keyname_to_keycode(uint16_t keycode);
 
-/* Initialize/save keybindings data from/to file at "path" to/from keybindings
- * data pointer "kbd".
- */
-extern void init_keybindings(char * path, struct KeyBindingDB * kbd);
-extern void save_keybindings(char * path, struct KeyBindingDB * kbd);
+/* Read/write from/to "file" "kbd", delimited by world.delim. */
+extern void write_keybindings_to_file(FILE * file, struct KeyBindingDB * kbd);
+extern void read_keybindings_from_file(char * line, uint32_t linemax,
+                                       FILE * file, struct KeyBindingDB * kbd);
 
 /* Free keybinding chain starting at "kb_start". */
 extern void free_keybindings(struct KeyBinding * kb_start);
 
-/* Mark keybinding selected for modification as being edited, get user input to
- * modify it, then unmark it again. Ensure there are max. three digits in the
- * ASCII representation of the keycode read from the user.
+/* Mark keybinding in KeybindingDB (char_selected_kb_db()-) selected by "kb_c"
+ * as being edited, get user input to modify it, then unmark it again. Ensure
+ * there are max. three digits in the ASCII string of the kecode read from user.
  */
-extern void mod_selected_keyb(struct KeyBindingDB * kbd);
+extern void mod_selected_keyb(char kb_c);
 
-/* Move keybinding modification selection upwards ("dir"=="u") or downwards
- * ("dir"=="d") within the limits of the keybindings chain length.
+/* Move .select in KeybindingDB (char-selected_kb_db()-) selected by "kb_c"
+ * upwards ("dir"=="u") or downwards ("dir"=="d") within KeyBindingDB limits.
  */
-extern void move_keyb_mod_selection(struct KeyBindingDB * kbd, char dir);
+extern void move_keyb_selection(char kb_c, char dir);