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/proto/search.pro b/src/proto/search.pro
index 143333d..e6ac11b 100644
--- a/src/proto/search.pro
+++ b/src/proto/search.pro
@@ -22,9 +22,9 @@
 void reset_search_dir(void);
 void set_last_search_pat(char_u *s, int idx, int magic, int setlast);
 void last_pat_prog(regmmatch_T *regmatch);
-int searchit(win_T *win, buf_T *buf, pos_T *pos, pos_T *end_pos, int dir, char_u *pat, long count, int options, int pat_use, linenr_T stop_lnum, proftime_T *tm, int *timed_out);
+int searchit(win_T *win, buf_T *buf, pos_T *pos, pos_T *end_pos, int dir, char_u *pat, long count, int options, int pat_use, searchit_arg_T *extra_arg);
 void set_search_direction(int cdir);
-int do_search(oparg_T *oap, int dirc, char_u *pat, long count, int options, proftime_T *tm, int *timed_out);
+int do_search(oparg_T *oap, int dirc, char_u *pat, long count, int options, searchit_arg_T *sia);
 int search_for_exact_line(buf_T *buf, pos_T *pos, int dir, char_u *pat);
 int searchc(cmdarg_T *cap, int t_cmd);
 pos_T *findmatch(oparg_T *oap, int initc);
@@ -46,6 +46,6 @@
 int current_search(long count, int forward);
 int linewhite(linenr_T lnum);
 void find_pattern_in_path(char_u *ptr, int dir, int len, int whole, int skip_comments, int type, long count, int action, linenr_T start_lnum, linenr_T end_lnum);
-struct spat *get_spat(int idx);
+spat_T *get_spat(int idx);
 int get_spat_last_idx(void);
 /* vim: set ft=c : */