-#if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT
-extern int getopt PARAMS ((int, char * const *, const char *));
-#endif
-
-#if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
-extern char *getwd PARAMS ((char *));
-#endif
-
-#if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK
-extern PTR sbrk PARAMS ((int));
-#endif
-