diff --git a/src/registry/Makefile b/src/registry/Makefile
index 8cf6cb5e7..16a26824c 100644
--- a/src/registry/Makefile
+++ b/src/registry/Makefile
@@ -5,6 +5,10 @@ include $(TOP)/configure/CONFIG
 #
 
 INC += registry.h
+INC += registryDeviceSupport.h
+INC += registryDriverSupport.h
+INC += registryRecordType.h
+
 
 #       general contents of library on all platforms
 #
diff --git a/src/registry/registryDeviceSupport.h b/src/registry/registryDeviceSupport.h
new file mode 100644
index 000000000..6dbf29c4c
--- /dev/null
+++ b/src/registry/registryDeviceSupport.h
@@ -0,0 +1,17 @@
+#ifndef INCregistryDeviceSupporth
+#define INCregistryDeviceSupporth
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int registryDeviceSupportAdd(const char *name,struct dset *pdset);
+struct dset *registryDeviceSupportFind(const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* INCregistryDeviceSupporth */
diff --git a/src/registry/registryDriverSupport.h b/src/registry/registryDriverSupport.h
new file mode 100644
index 000000000..e0efafd12
--- /dev/null
+++ b/src/registry/registryDriverSupport.h
@@ -0,0 +1,18 @@
+#ifndef INCregistryDriverSupporth
+#define INCregistryDriverSupporth
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* c interface definitions */
+int registryDriverSupportAdd(const char *name,struct drvet *pdrvet);
+struct drvet *registryDriverSupportFind(const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* INCregistryDriverSupporth */
diff --git a/src/registry/registryRecordType.h b/src/registry/registryRecordType.h
new file mode 100644
index 000000000..8fb0da978
--- /dev/null
+++ b/src/registry/registryRecordType.h
@@ -0,0 +1,32 @@
+#ifndef INCregistryRecordTypeh
+#define INCregistryRecordTypeh
+
+struct dbRecordType;
+struct rset;
+struct dbBase;
+
+typedef int (*computeSizeOffset)(struct dbRecordType *pdbRecordType);
+
+
+typedef struct recordTypeLocation {
+    struct rset *prset;
+    computeSizeOffset sizeOffset;
+}recordTypeLocation;
+    
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int registryRecordTypeAdd(const char *name,recordTypeLocation *prtl);
+recordTypeLocation *registryRecordTypeFind(const char *name);
+
+/* The following function is generated by registerRecordDeviceDriver/pl */
+int registerRecordDeviceDriver(struct dbBase *pdbbase);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* INCregistryRecordTypeh */