int);
extern Lisp_Object raw_text_coding_system (Lisp_Object);
extern Lisp_Object coding_inherit_eol_type (Lisp_Object, Lisp_Object);
+extern Lisp_Object complement_process_encoding_system (Lisp_Object);
extern int decode_coding_gap (struct coding_system *,
EMACS_INT, EMACS_INT);