-extern bfd_boolean ar_emul_append (bfd **, char *, bfd_boolean);
-extern bfd_boolean ar_emul_default_append (bfd **, char *, bfd_boolean);
-extern bfd_boolean ar_emul_replace (bfd **, char *, bfd_boolean);
-extern bfd_boolean ar_emul_default_replace (bfd **, char *, bfd_boolean);
-extern bfd_boolean ar_emul_create (bfd **, char *, char *);
-extern bfd_boolean ar_emul_default_create (bfd **, char *, char *);
-extern bfd_boolean ar_emul_parse_arg (char *);
-extern bfd_boolean ar_emul_default_parse_arg (char *);
+extern bool ar_emul_append (bfd **, char *, const char *, bool, bool);
+extern bool ar_emul_append_bfd (bfd **, bfd *, bool, bool);
+extern bool ar_emul_default_append (bfd **, bfd *, bool, bool);
+extern bool do_ar_emul_append (bfd **, bfd *, bool, bool, bool (*)(bfd *));
+extern bool ar_emul_replace (bfd **, char *, const char *, bool);
+extern bool ar_emul_replace_bfd (bfd **, bfd *, bool);
+extern bool ar_emul_default_replace (bfd **, bfd *, bool);
+extern bool ar_emul_parse_arg (char *);
+extern bool ar_emul_default_parse_arg (char *);