patch 8.1.2173: searchit() has too many arguments

Problem:    Searchit() has too many arguments.
Solution:   Move optional arguments to a struct.  Add the "wrapped" argument.
diff --git a/src/normal.c b/src/normal.c
index 87754eb..f66a97c 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -65,7 +65,7 @@
 static void	nv_dollar(cmdarg_T *cap);
 static void	nv_search(cmdarg_T *cap);
 static void	nv_next(cmdarg_T *cap);
-static int	normal_search(cmdarg_T *cap, int dir, char_u *pat, int opt);
+static int	normal_search(cmdarg_T *cap, int dir, char_u *pat, int opt, int *wrapped);
 static void	nv_csearch(cmdarg_T *cap);
 static void	nv_brackets(cmdarg_T *cap);
 static void	nv_percent(cmdarg_T *cap);
@@ -2346,7 +2346,7 @@
     for (;;)
     {
 	t = searchit(curwin, curbuf, &curwin->w_cursor, NULL, FORWARD,
-		       pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL, NULL);
+					  pat, 1L, searchflags, RE_LAST, NULL);
 	if (curwin->w_cursor.lnum >= old_pos.lnum)
 	    t = FAIL;	/* match after start is failure too */
 
@@ -3730,7 +3730,7 @@
 	init_history();
 	add_to_history(HIST_SEARCH, buf, TRUE, NUL);
 
-	(void)normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
+	(void)normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0, NULL);
     }
     else
     {
@@ -4257,7 +4257,7 @@
 
     (void)normal_search(cap, cap->cmdchar, cap->searchbuf,
 			(cap->arg || !EQUAL_POS(save_cursor, curwin->w_cursor))
-							   ? 0 : SEARCH_MARK);
+						      ? 0 : SEARCH_MARK, NULL);
 }
 
 /*
@@ -4267,16 +4267,17 @@
     static void
 nv_next(cmdarg_T *cap)
 {
-    pos_T old = curwin->w_cursor;
-    int   i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
+    pos_T   old = curwin->w_cursor;
+    int	    wrapped = FALSE;
+    int	    i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, &wrapped);
 
-    if (i == 1 && EQUAL_POS(old, curwin->w_cursor))
+    if (i == 1 && !wrapped && EQUAL_POS(old, curwin->w_cursor))
     {
 	/* Avoid getting stuck on the current cursor position, which can
 	 * happen when an offset is given and the cursor is on the last char
 	 * in the buffer: Repeat with count + 1. */
 	cap->count1 += 1;
-	(void)normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
+	(void)normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, NULL);
 	cap->count1 -= 1;
     }
 }
@@ -4291,17 +4292,22 @@
     cmdarg_T	*cap,
     int		dir,
     char_u	*pat,
-    int		opt)		/* extra flags for do_search() */
+    int		opt,		// extra flags for do_search()
+    int		*wrapped)
 {
     int		i;
+    searchit_arg_T sia;
 
     cap->oap->motion_type = MCHAR;
     cap->oap->inclusive = FALSE;
     cap->oap->use_reg_one = TRUE;
     curwin->w_set_curswant = TRUE;
 
+    vim_memset(&sia, 0, sizeof(sia));
     i = do_search(cap->oap, dir, pat, cap->count1,
-		      opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL, NULL);
+			    opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, &sia);
+    if (wrapped != NULL)
+	*wrapped = sia.sa_wrapped;
     if (i == 0)
 	clearop(cap->oap);
     else