_C_COMPAT_BSDCTYPE_GUARD
const unsigned char _C_compat_bsdctype_guarded[_C_COMPAT_BSDCTYPE_GUARD +
_CTYPE_GUARD_INIT(_C_COMPAT_BSDCTYPE_GUARD, -1)
[_C_COMPAT_BSDCTYPE_GUARD] = 0,