move update_screen() flags to screen.h
move values for find_pattern_in_path() to search.h
move HL_* variables to syntax.h
move VALID_* defines to buffer_defs.h
move WILD_* defines to ex_getln.h
move EW_* defines to path.h
move FINDFILE_* defines to file_search.h
move SST_* defines to syntax_defs
remove W_* macros
Remove unnecessary (int) casts and fix style
removed whitespace from  ROOT_UID define.
move values for find_pattern_in_path() to screen.h
move do_search() flags to search.h
Move find_ident_under_cursor() flags to normal.h
move file_name_in_line() flags to window.h
moved flags for buflist_* to buffer.h
move in_cinkeys() to edit.h
move ins_typebuf() to getchar.h
move mch_nodetype() flags to os_unix.h
move readfile() flags to fileio.h