diff --git a/src/proto/diff.pro b/src/proto/diff.pro
index e45127a..f314fce 100644
--- a/src/proto/diff.pro
+++ b/src/proto/diff.pro
@@ -22,5 +22,6 @@
 void ex_diffgetput __ARGS((exarg_T *eap));
 int diff_mode_buf __ARGS((buf_T *buf));
 int diff_move_to __ARGS((int dir, long count));
+linenr_T diff_get_corresponding_line __ARGS((buf_T *buf1, linenr_T lnum1, buf_T *buf2, linenr_T lnum2));
 linenr_T diff_lnum_win __ARGS((linenr_T lnum, win_T *wp));
 /* vim: set ft=c : */
diff --git a/src/proto/move.pro b/src/proto/move.pro
index de51aa2..f1f3a11 100644
--- a/src/proto/move.pro
+++ b/src/proto/move.pro
@@ -1,4 +1,5 @@
 /* move.c */
+void do_check_cursorbind __ARGS((void));
 void update_topline_redraw __ARGS((void));
 void update_topline __ARGS((void));
 void update_curswant __ARGS((void));
diff --git a/src/proto/screen.pro b/src/proto/screen.pro
index c534a1f..937e4ed 100644
--- a/src/proto/screen.pro
+++ b/src/proto/screen.pro
@@ -46,5 +46,6 @@
 int redrawing __ARGS((void));
 int messaging __ARGS((void));
 void showruler __ARGS((int always));
+void update_single_line __ARGS((win_T *buf, linenr_T lnum));
 int number_width __ARGS((win_T *wp));
 /* vim: set ft=c : */
diff --git a/src/proto/spell.pro b/src/proto/spell.pro
index 8ab544d..9ed775b 100644
--- a/src/proto/spell.pro
+++ b/src/proto/spell.pro
@@ -2,14 +2,10 @@
 int spell_check __ARGS((win_T *wp, char_u *ptr, hlf_T *attrp, int *capcol, int docount));
 int spell_move_to __ARGS((win_T *wp, int dir, int allwords, int curline, hlf_T *attrp));
 void spell_cat_line __ARGS((char_u *buf, char_u *line, int maxlen));
-int get2c __ARGS((FILE *fd));
-int get3c __ARGS((FILE *fd));
-int get4c __ARGS((FILE *fd));
-char_u *did_set_spelllang __ARGS((buf_T *buf));
+char_u *did_set_spelllang __ARGS((win_T *wp));
 void spell_free_all __ARGS((void));
 void spell_reload __ARGS((void));
 int spell_check_msm __ARGS((void));
-int put_bytes __ARGS((FILE *fd, long_u nr, int len));
 void ex_mkspell __ARGS((exarg_T *eap));
 void ex_spell __ARGS((exarg_T *eap));
 void spell_add_word __ARGS((char_u *word, int len, int bad, int idx, int undo));
@@ -21,8 +17,8 @@
 char_u *eval_soundfold __ARGS((char_u *word));
 void ex_spellinfo __ARGS((exarg_T *eap));
 void ex_spelldump __ARGS((exarg_T *eap));
-void spell_dump_compl __ARGS((buf_T *buf, char_u *pat, int ic, int *dir, int dumpflags_arg));
-char_u *spell_to_word_end __ARGS((char_u *start, buf_T *buf));
+void spell_dump_compl __ARGS((char_u *pat, int ic, int *dir, int dumpflags_arg));
+char_u *spell_to_word_end __ARGS((char_u *start, win_T *win));
 int spell_word_start __ARGS((int startcol));
 void spell_expand_check_cap __ARGS((colnr_T col));
 int expand_spelling __ARGS((linenr_T lnum, char_u *pat, char_u ***matchp));
diff --git a/src/proto/syntax.pro b/src/proto/syntax.pro
index c277691..0e484cb 100644
--- a/src/proto/syntax.pro
+++ b/src/proto/syntax.pro
@@ -1,18 +1,20 @@
 /* syntax.c */
 void syntax_start __ARGS((win_T *wp, linenr_T lnum));
-void syn_stack_free_all __ARGS((buf_T *buf));
+void syn_stack_free_all __ARGS((synblock_T *block));
 void syn_stack_apply_changes __ARGS((buf_T *buf));
 void syntax_end_parsing __ARGS((linenr_T lnum));
 int syntax_check_changed __ARGS((linenr_T lnum));
-int get_syntax_attr __ARGS((colnr_T col, int *can_spell, int keep_state));
-void syntax_clear __ARGS((buf_T *buf));
+int get_syntax_attr __ARGS((colnr_T col, int *p_flags, int *can_spell, int keep_state));
+void syntax_clear __ARGS((synblock_T *block));
 void ex_syntax __ARGS((exarg_T *eap));
-int syntax_present __ARGS((buf_T *buf));
+void ex_ownsyntax __ARGS((exarg_T *eap));
+int syntax_present __ARGS((win_T *win));
 void reset_expand_highlight __ARGS((void));
 void set_context_in_echohl_cmd __ARGS((expand_T *xp, char_u *arg));
 void set_context_in_syntax_cmd __ARGS((expand_T *xp, char_u *arg));
 char_u *get_syntax_name __ARGS((expand_T *xp, int idx));
 int syn_get_id __ARGS((win_T *wp, long lnum, colnr_T col, int trans, int *spellp, int keep_state));
+int syn_get_sub_char __ARGS((void));
 int syn_get_stack_item __ARGS((int i));
 int syn_get_foldlevel __ARGS((win_T *wp, long lnum));
 void init_highlight __ARGS((int both, int reset));