apply_towlower    165 maint/gnulib/lib/mbmemcasecoll.c       t1len = apply_towlower (s1, s1len, t1, t1len);
apply_towlower    166 maint/gnulib/lib/mbmemcasecoll.c       t2len = apply_towlower (s2, s2len, t2, t2len);