uc_is_digit 32 maint/gnulib/lib/c32isdigit.c #define UCS_FUNC uc_is_digit uc_is_digit 993 maint/gnulib/lib/unictype.in.h uc_is_digit (ucs4_t uc) uc_is_digit 22 maint/gnulib/tests/unictype/test-ctype_digit.c #define PREDICATE(c) uc_is_digit (c)