X-Git-Url: http://nitlanguage.org

diff --git a/c_src/kernel._nitni.h b/c_src/kernel._nitni.h
index e2f7acb..c1691d9 100644
--- a/c_src/kernel._nitni.h
+++ b/c_src/kernel._nitni.h
@@ -4,5 +4,29 @@
 #ifndef KERNEL_NITG_NITNI_H
 #define KERNEL_NITG_NITNI_H
 
+#ifndef NIT_TYPE_Sys
+#define NIT_TYPE_Sys 1
+typedef struct nitni_instance *Sys;
+#endif
+#ifndef NIT_TYPE_Sys
+#define NIT_TYPE_Sys 1
+typedef struct nitni_instance *Sys;
+#endif
+#ifndef NIT_TYPE_Sys
+#define NIT_TYPE_Sys 1
+typedef struct nitni_instance *Sys;
+#endif
+#ifndef NIT_TYPE_Sys
+#define NIT_TYPE_Sys 1
+typedef struct nitni_instance *Sys;
+#endif
 #include "kernel._ffi.h"
+extern void nitni_global_ref_incr(void*);
+extern void nitni_global_ref_decr(void*);
+#ifndef Sys_incr_ref
+	#define Sys_incr_ref(from) nitni_global_ref_incr((Sys)(from))
+#endif
+#ifndef Sys_decr_ref
+	#define Sys_decr_ref(from) nitni_global_ref_decr((Sys)(from))
+#endif
 #endif