#if defined(PERL_OBJECT) || defined(PERL_IMPLICIT_SYS) || defined(PERL_CAPI)
# define DYNAMIC_ENV_FETCH
-# define ENV_HV_NAME "___ENV_HV_NAME___"
# define HAS_GETENV_LEN
# define prime_env_iter()
# define WIN32IO_IS_STDIO /* don't pull in custom stdio layer */