-#define STG_SIG_DFL (-1)
-#define STG_SIG_IGN (-2)
-#define STG_SIG_ERR (-3)
-#define STG_SIG_HAN (-4)
-#define STG_SIG_RST (-5)
-
-#if defined(mingw32_TARGET_OS)
-extern int stg_InstallConsoleEvent(int action, StgStablePtr *handler);
-#else
-extern int stg_sig_install (int, int, StgStablePtr *, void *);
-#endif
-
-#endif // SIGNALS_H
+#define STG_SIG_DFL (-1)
+#define STG_SIG_IGN (-2)
+#define STG_SIG_ERR (-3)
+#define STG_SIG_HAN (-4)
+#define STG_SIG_RST (-5)