uc_is_xdigit       32 maint/gnulib/lib/c32isxdigit.c #define UCS_FUNC uc_is_xdigit
uc_is_xdigit     1037 maint/gnulib/lib/unictype.in.h        uc_is_xdigit (ucs4_t uc)
uc_is_xdigit       24 maint/gnulib/tests/unictype/test-ctype_xdigit.c #define PREDICATE(c) uc_is_xdigit (c)