--- a/src/proto/fold.pro
+++ b/src/proto/fold.pro
@@ -1,41 +1,41 @@
 /* fold.c */
-void copyFoldingState __ARGS((win_T *wp_from, win_T *wp_to));
-int hasAnyFolding __ARGS((win_T *win));
-int hasFolding __ARGS((linenr_T lnum, linenr_T *firstp, linenr_T *lastp));
-int hasFoldingWin __ARGS((win_T *win, linenr_T lnum, linenr_T *firstp, linenr_T *lastp, int cache, foldinfo_T *infop));
-int foldLevel __ARGS((linenr_T lnum));
-int lineFolded __ARGS((win_T *win, linenr_T lnum));
-long foldedCount __ARGS((win_T *win, linenr_T lnum, foldinfo_T *infop));
-int foldmethodIsManual __ARGS((win_T *wp));
-int foldmethodIsIndent __ARGS((win_T *wp));
-int foldmethodIsExpr __ARGS((win_T *wp));
-int foldmethodIsMarker __ARGS((win_T *wp));
-int foldmethodIsSyntax __ARGS((win_T *wp));
-int foldmethodIsDiff __ARGS((win_T *wp));
-void closeFold __ARGS((linenr_T lnum, long count));
-void closeFoldRecurse __ARGS((linenr_T lnum));
-void opFoldRange __ARGS((linenr_T first, linenr_T last, int opening, int recurse, int had_visual));
-void openFold __ARGS((linenr_T lnum, long count));
-void openFoldRecurse __ARGS((linenr_T lnum));
-void foldOpenCursor __ARGS((void));
-void newFoldLevel __ARGS((void));
-void foldCheckClose __ARGS((void));
-int foldManualAllowed __ARGS((int create));
-void foldCreate __ARGS((linenr_T start, linenr_T end));
-void deleteFold __ARGS((linenr_T start, linenr_T end, int recursive, int had_visual));
-void clearFolding __ARGS((win_T *win));
-void foldUpdate __ARGS((win_T *wp, linenr_T top, linenr_T bot));
-void foldUpdateAll __ARGS((win_T *win));
-int foldMoveTo __ARGS((int updown, int dir, long count));
-void foldInitWin __ARGS((win_T *newwin));
-int find_wl_entry __ARGS((win_T *win, linenr_T lnum));
-void foldAdjustVisual __ARGS((void));
-void foldAdjustCursor __ARGS((void));
-void cloneFoldGrowArray __ARGS((garray_T *from, garray_T *to));
-void deleteFoldRecurse __ARGS((garray_T *gap));
-void foldMarkAdjust __ARGS((win_T *wp, linenr_T line1, linenr_T line2, long amount, long amount_after));
-int getDeepestNesting __ARGS((void));
-char_u *get_foldtext __ARGS((win_T *wp, linenr_T lnum, linenr_T lnume, foldinfo_T *foldinfo, char_u *buf));
-void foldtext_cleanup __ARGS((char_u *str));
-int put_folds __ARGS((FILE *fd, win_T *wp));
+extern void copyFoldingState __ARGS((win_T *wp_from, win_T *wp_to));
+extern int hasAnyFolding __ARGS((win_T *win));
+extern int hasFolding __ARGS((linenr_T lnum, linenr_T *firstp, linenr_T *lastp));
+extern int hasFoldingWin __ARGS((win_T *win, linenr_T lnum, linenr_T *firstp, linenr_T *lastp, int cache, foldinfo_T *infop));
+extern int foldLevel __ARGS((linenr_T lnum));
+extern int lineFolded __ARGS((win_T *win, linenr_T lnum));
+extern long foldedCount __ARGS((win_T *win, linenr_T lnum, foldinfo_T *infop));
+extern int foldmethodIsManual __ARGS((win_T *wp));
+extern int foldmethodIsIndent __ARGS((win_T *wp));
+extern int foldmethodIsExpr __ARGS((win_T *wp));
+extern int foldmethodIsMarker __ARGS((win_T *wp));
+extern int foldmethodIsSyntax __ARGS((win_T *wp));
+extern int foldmethodIsDiff __ARGS((win_T *wp));
+extern void closeFold __ARGS((linenr_T lnum, long count));
+extern void closeFoldRecurse __ARGS((linenr_T lnum));
+extern void opFoldRange __ARGS((linenr_T first, linenr_T last, int opening, int recurse, int had_visual));
+extern void openFold __ARGS((linenr_T lnum, long count));
+extern void openFoldRecurse __ARGS((linenr_T lnum));
+extern void foldOpenCursor __ARGS((void));
+extern void newFoldLevel __ARGS((void));
+extern void foldCheckClose __ARGS((void));
+extern int foldManualAllowed __ARGS((int create));
+extern void foldCreate __ARGS((linenr_T start, linenr_T end));
+extern void deleteFold __ARGS((linenr_T start, linenr_T end, int recursive, int had_visual));
+extern void clearFolding __ARGS((win_T *win));
+extern void foldUpdate __ARGS((win_T *wp, linenr_T top, linenr_T bot));
+extern void foldUpdateAll __ARGS((win_T *win));
+extern int foldMoveTo __ARGS((int updown, int dir, long count));
+extern void foldInitWin __ARGS((win_T *newwin));
+extern int find_wl_entry __ARGS((win_T *win, linenr_T lnum));
+extern void foldAdjustVisual __ARGS((void));
+extern void foldAdjustCursor __ARGS((void));
+extern void cloneFoldGrowArray __ARGS((garray_T *from, garray_T *to));
+extern void deleteFoldRecurse __ARGS((garray_T *gap));
+extern void foldMarkAdjust __ARGS((win_T *wp, linenr_T line1, linenr_T line2, long amount, long amount_after));
+extern int getDeepestNesting __ARGS((void));
+extern char_u *get_foldtext __ARGS((win_T *wp, linenr_T lnum, linenr_T lnume, foldinfo_T *foldinfo, char_u *buf));
+extern void foldtext_cleanup __ARGS((char_u *str));
+extern int put_folds __ARGS((FILE *fd, win_T *wp));
 /* vim: set ft=c : */