--- a/src/proto/message.pro
+++ b/src/proto/message.pro
@@ -1,8 +1,8 @@
 /* message.c */
-int msg(char_u *s);
-int verb_msg(char_u *s);
-int msg_attr(char_u *s, int attr);
-int msg_attr_keep(char_u *s, int attr, int keep);
+int msg(char *s);
+int verb_msg(char *s);
+int msg_attr(char *s, int attr);
+int msg_attr_keep(char *s, int attr, int keep);
 char_u *msg_strtrunc(char_u *s, int force);
 void trunc_string(char_u *s, char_u *buf, int room_in, int buflen);
 void reset_last_sourcing(void);
@@ -11,21 +11,12 @@ int emsg_not_now(void);
 void ignore_error_for_testing(char_u *error);
 void do_perror(char *msg);
 int emsg(char *s);
-
-int semsg(const char *s, ...)
-#ifdef USE_PRINTF_FORMAT_ATTRIBUTE
-    __attribute__((format(printf, 1, 2)))
-#endif
-;
+int semsg(const char *s, ...);
 void iemsg(char *s);
-void siemsg(const char *s, ...)
-#ifdef USE_PRINTF_FORMAT_ATTRIBUTE
-    __attribute__((format(printf, 1, 2)))
-#endif
-;
+void siemsg(const char *s, ...);
 void internal_error(char *where);
 void emsg_invreg(int name);
-char_u *msg_trunc_attr(char_u *s, int force, int attr);
+char *msg_trunc_attr(char *s, int force, int attr);
 char_u *msg_may_trunc(int force, char_u *s);
 int delete_first_msg(void);
 void ex_messages(exarg_T *eap);
@@ -51,11 +42,11 @@ char_u *str2special_save(char_u *str, in
 char_u *str2special(char_u **sp, int from);
 void str2specialbuf(char_u *sp, char_u *buf, int len);
 void msg_prt_line(char_u *s, int list);
-void msg_puts(char_u *s);
-void msg_puts_title(char_u *s);
-void msg_puts_long_attr(char_u *longstr, int attr);
-void msg_puts_long_len_attr(char_u *longstr, int len, int attr);
-void msg_puts_attr(char_u *s, int attr);
+void msg_puts(char *s);
+void msg_puts_title(char *s);
+void msg_outtrans_long_attr(char_u *longstr, int attr);
+void msg_outtrans_long_len_attr(char_u *longstr, int len, int attr);
+void msg_puts_attr(char *s, int attr);
 int message_filtered(char_u *msg);
 void may_clear_sb_text(void);
 void sb_text_start_cmdline(void);