uc_is_space        32 maint/gnulib/lib/c32isspace.c #define UCS_FUNC uc_is_space
uc_is_space      1024 maint/gnulib/lib/unictype.in.h        uc_is_space (ucs4_t uc)
uc_is_space        29 maint/gnulib/tests/unictype/test-ctype_space.c #define PREDICATE(c) uc_is_space (c)