diff --git a/src/proto/gui_beval.pro b/src/proto/gui_beval.pro
index b0067a0..aa0553f 100644
--- a/src/proto/gui_beval.pro
+++ b/src/proto/gui_beval.pro
@@ -6,6 +6,7 @@
 void gui_mch_disable_beval_area(BalloonEval *beval);
 BalloonEval *gui_mch_currently_showing_beval(void);
 int get_beval_info(BalloonEval *beval, int getword, win_T **winp, linenr_T *lnump, char_u **textp, int *colp);
+void post_balloon(BalloonEval *beval, char_u *mesg);
 void gui_mch_post_balloon(BalloonEval *beval, char_u *mesg);
 void gui_mch_unpost_balloon(BalloonEval *beval);
 /* vim: set ft=c : */
diff --git a/src/proto/os_unix.pro b/src/proto/os_unix.pro
index d3a00b5..fbdad15 100644
--- a/src/proto/os_unix.pro
+++ b/src/proto/os_unix.pro
@@ -53,6 +53,7 @@
 void get_stty(void);
 int get_tty_info(int fd, ttyinfo_T *info);
 void mch_setmouse(int on);
+void mch_bevalterm_changed(void);
 void check_mouse_termcode(void);
 int mch_screenmode(char_u *arg);
 int mch_get_shellsize(void);
diff --git a/src/proto/popupmnu.pro b/src/proto/popupmnu.pro
index 423076c..5779533 100644
--- a/src/proto/popupmnu.pro
+++ b/src/proto/popupmnu.pro
@@ -5,4 +5,7 @@
 void pum_clear(void);
 int pum_visible(void);
 int pum_get_height(void);
+void ui_remove_balloon(void);
+void ui_post_balloon(char_u *mesg);
+void ui_may_remove_balloon(void);
 /* vim: set ft=c : */