bool client_matches_class_name(Client *client, char *to_class, char *to_title,
char *to_title_ucs, int to_title_ucs_len);
-/**
- * Enters fullscreen mode for the given client. This is called by toggle_fullscreen
- * and when moving a fullscreen client to another screen.
- *
- */
-void client_enter_fullscreen(xcb_connection_t *conn, Client *client, bool global);
-
-/**
- * Leaves fullscreen mode for the given client. This is called by toggle_fullscreen.
- *
- */
-void client_leave_fullscreen(xcb_connection_t *conn, Client *client);
-
-/**
- * Toggles fullscreen mode for the given client. It updates the data
- * structures and reconfigures (= resizes/moves) the client and its frame to
- * the full size of the screen. When leaving fullscreen, re-rendering the
- * layout is forced.
- *
- */
-void client_toggle_fullscreen(xcb_connection_t *conn, Client *client);
-
-/**
- * Like client_toggle_fullscreen(), but putting it in global fullscreen-mode.
- *
- */
-void client_toggle_fullscreen_global(xcb_connection_t *conn, Client *client);
-
/**
* Sets the position of the given client in the X stack to the highest (tiling
* layer is always on the same position, so this doesn’t matter) below the