#ifndef LANGUAGE_ASSEMBLY
extern int foreign_function_call_active;
-extern boolean stop_the_world;
+extern size_t dynamic_space_size;
+
+#ifdef LISP_FEATURE_WIN32
+#define ENVIRON _environ
+#else
+#define ENVIRON environ
+#endif
+extern char **ENVIRON;
#if defined(LISP_FEATURE_SB_THREAD)
extern pthread_key_t specials;