OLDNUM
# define OLDNUM(sp,n) oldnums[n]
# define OLDNUM(sp,n) oldnums(sp)[n]
# define OLDNUM(sp,n) NewScreen(sp)->_line[n].oldindex
# define OLDNUM(sp,n) (sp)->_oldnum_list[n]
# define OLDNUM(sp,n) oldnums[n]