diff --git a/src/fold.c b/src/fold.c
index b074857..b3e3a32 100644
--- a/src/fold.c
+++ b/src/fold.c
@@ -43,27 +43,27 @@
 #define MAX_LEVEL	20	/* maximum fold depth */
 
 /* static functions {{{2 */
-static void newFoldLevelWin __ARGS((win_T *wp));
-static int checkCloseRec __ARGS((garray_T *gap, linenr_T lnum, int level));
-static int foldFind __ARGS((garray_T *gap, linenr_T lnum, fold_T **fpp));
-static int foldLevelWin __ARGS((win_T *wp, linenr_T lnum));
-static void checkupdate __ARGS((win_T *wp));
-static void setFoldRepeat __ARGS((linenr_T lnum, long count, int do_open));
-static linenr_T setManualFold __ARGS((linenr_T lnum, int opening, int recurse, int *donep));
-static linenr_T setManualFoldWin __ARGS((win_T *wp, linenr_T lnum, int opening, int recurse, int *donep));
-static void foldOpenNested __ARGS((fold_T *fpr));
-static void deleteFoldEntry __ARGS((garray_T *gap, int idx, int recursive));
-static void foldMarkAdjustRecurse __ARGS((garray_T *gap, linenr_T line1, linenr_T line2, long amount, long amount_after));
-static int getDeepestNestingRecurse __ARGS((garray_T *gap));
-static int check_closed __ARGS((win_T *win, fold_T *fp, int *use_levelp, int level, int *maybe_smallp, linenr_T lnum_off));
-static void checkSmall __ARGS((win_T *wp, fold_T *fp, linenr_T lnum_off));
-static void setSmallMaybe __ARGS((garray_T *gap));
-static void foldCreateMarkers __ARGS((linenr_T start, linenr_T end));
-static void foldAddMarker __ARGS((linenr_T lnum, char_u *marker, int markerlen));
-static void deleteFoldMarkers __ARGS((fold_T *fp, int recursive, linenr_T lnum_off));
-static void foldDelMarker __ARGS((linenr_T lnum, char_u *marker, int markerlen));
-static void foldUpdateIEMS __ARGS((win_T *wp, linenr_T top, linenr_T bot));
-static void parseMarker __ARGS((win_T *wp));
+static void newFoldLevelWin(win_T *wp);
+static int checkCloseRec(garray_T *gap, linenr_T lnum, int level);
+static int foldFind(garray_T *gap, linenr_T lnum, fold_T **fpp);
+static int foldLevelWin(win_T *wp, linenr_T lnum);
+static void checkupdate(win_T *wp);
+static void setFoldRepeat(linenr_T lnum, long count, int do_open);
+static linenr_T setManualFold(linenr_T lnum, int opening, int recurse, int *donep);
+static linenr_T setManualFoldWin(win_T *wp, linenr_T lnum, int opening, int recurse, int *donep);
+static void foldOpenNested(fold_T *fpr);
+static void deleteFoldEntry(garray_T *gap, int idx, int recursive);
+static void foldMarkAdjustRecurse(garray_T *gap, linenr_T line1, linenr_T line2, long amount, long amount_after);
+static int getDeepestNestingRecurse(garray_T *gap);
+static int check_closed(win_T *win, fold_T *fp, int *use_levelp, int level, int *maybe_smallp, linenr_T lnum_off);
+static void checkSmall(win_T *wp, fold_T *fp, linenr_T lnum_off);
+static void setSmallMaybe(garray_T *gap);
+static void foldCreateMarkers(linenr_T start, linenr_T end);
+static void foldAddMarker(linenr_T lnum, char_u *marker, int markerlen);
+static void deleteFoldMarkers(fold_T *fp, int recursive, linenr_T lnum_off);
+static void foldDelMarker(linenr_T lnum, char_u *marker, int markerlen);
+static void foldUpdateIEMS(win_T *wp, linenr_T top, linenr_T bot);
+static void parseMarker(win_T *wp);
 
 static char *e_nofold = N_("E490: No fold found");
 
@@ -2142,18 +2142,18 @@
 static int fold_changed;
 
 /* Function declarations. {{{2 */
-static linenr_T foldUpdateIEMSRecurse __ARGS((garray_T *gap, int level, linenr_T startlnum, fline_T *flp, void (*getlevel)__ARGS((fline_T *)), linenr_T bot, int topflags));
-static int foldInsert __ARGS((garray_T *gap, int i));
-static void foldSplit __ARGS((garray_T *gap, int i, linenr_T top, linenr_T bot));
-static void foldRemove __ARGS((garray_T *gap, linenr_T top, linenr_T bot));
-static void foldMerge __ARGS((fold_T *fp1, garray_T *gap, fold_T *fp2));
-static void foldlevelIndent __ARGS((fline_T *flp));
+static linenr_T foldUpdateIEMSRecurse(garray_T *gap, int level, linenr_T startlnum, fline_T *flp, void (*getlevel)__ARGS((fline_T *)), linenr_T bot, int topflags);
+static int foldInsert(garray_T *gap, int i);
+static void foldSplit(garray_T *gap, int i, linenr_T top, linenr_T bot);
+static void foldRemove(garray_T *gap, linenr_T top, linenr_T bot);
+static void foldMerge(fold_T *fp1, garray_T *gap, fold_T *fp2);
+static void foldlevelIndent(fline_T *flp);
 #ifdef FEAT_DIFF
-static void foldlevelDiff __ARGS((fline_T *flp));
+static void foldlevelDiff(fline_T *flp);
 #endif
-static void foldlevelExpr __ARGS((fline_T *flp));
-static void foldlevelMarker __ARGS((fline_T *flp));
-static void foldlevelSyntax __ARGS((fline_T *flp));
+static void foldlevelExpr(fline_T *flp);
+static void foldlevelMarker(fline_T *flp);
+static void foldlevelSyntax(fline_T *flp);
 
 /* foldUpdateIEMS() {{{2 */
 /*
@@ -3314,9 +3314,9 @@
 /* functions for storing the fold state in a View {{{1 */
 /* put_folds() {{{2 */
 #if defined(FEAT_SESSION) || defined(PROTO)
-static int put_folds_recurse __ARGS((FILE *fd, garray_T *gap, linenr_T off));
-static int put_foldopen_recurse __ARGS((FILE *fd, win_T *wp, garray_T *gap, linenr_T off));
-static int put_fold_open_close __ARGS((FILE *fd, fold_T *fp, linenr_T off));
+static int put_folds_recurse(FILE *fd, garray_T *gap, linenr_T off);
+static int put_foldopen_recurse(FILE *fd, win_T *wp, garray_T *gap, linenr_T off);
+static int put_fold_open_close(FILE *fd, fold_T *fp, linenr_T off);
 
 /*
  * Write commands to "fd" to restore the manual folds in window "wp".