1586     } search_info;  in find_tags()  local
1759     CLEAR_FIELD(search_info);  in find_tags()
1930 		offset = search_info.low_offset + ((search_info.high_offset  in find_tags()
1931 					       - search_info.low_offset) / 2);  in find_tags()
1932 		if (offset == search_info.curr_offset)  in find_tags()
1935 		    search_info.curr_offset = offset;  in find_tags()
1943 		search_info.curr_offset -= lbuf_size * 2;  in find_tags()
1944 		if (search_info.curr_offset < 0)  in find_tags()
1946 		    search_info.curr_offset = 0;  in find_tags()
1959 		search_info.curr_offset_used = search_info.curr_offset;  in find_tags()
1960 		vim_fseek(fp, search_info.curr_offset, SEEK_SET);  in find_tags()
1962 		if (!eof && search_info.curr_offset != 0)  in find_tags()
1966 		    search_info.curr_offset = vim_ftell(fp);  in find_tags()
1967 		    if (search_info.curr_offset == search_info.high_offset)  in find_tags()
1970 			vim_fseek(fp, search_info.low_offset, SEEK_SET);  in find_tags()
1971 			search_info.curr_offset = search_info.low_offset;  in find_tags()
1978 		    search_info.curr_offset = vim_ftell(fp);  in find_tags()
1985 		    search_info.match_offset = vim_ftell(fp);  in find_tags()
1986 		    search_info.curr_offset = search_info.curr_offset_used;  in find_tags()
2220 			search_info.low_offset = 0;  in find_tags()
2221 			search_info.low_char = 0;  in find_tags()
2222 			search_info.high_offset = filesize;  in find_tags()
2223 			search_info.curr_offset = 0;  in find_tags()
2224 			search_info.high_char = 0xff;  in find_tags()
2250 		search_info.curr_offset = 0;  in find_tags()
2297 		    if (i < search_info.low_char || i > search_info.high_char)  in find_tags()
2326 			search_info.match_offset = search_info.curr_offset;  in find_tags()
2331 			search_info.curr_offset = vim_ftell(fp);  in find_tags()
2332 			if (search_info.curr_offset < search_info.high_offset)  in find_tags()
2334 			    search_info.low_offset = search_info.curr_offset;  in find_tags()
2336 				search_info.low_char =  in find_tags()
2339 				search_info.low_char = tagp.tagname[0];  in find_tags()
2344 			&& search_info.curr_offset != search_info.high_offset)  in find_tags()
2346 			search_info.high_offset = search_info.curr_offset;  in find_tags()
2348 			    search_info.high_char =  in find_tags()
2351 			    search_info.high_char = tagp.tagname[0];  in find_tags()
2365 			search_info.curr_offset = search_info.curr_offset_used;  in find_tags()
2372 			if ((off_T)vim_ftell(fp) > search_info.match_offset)  in find_tags()