diff --git a/org.smeup.sys.os.file.base/META-INF/MANIFEST.MF b/org.smeup.sys.os.file.base/META-INF/MANIFEST.MF
index 4fac66f0..9ed0c4ee 100644
--- a/org.smeup.sys.os.file.base/META-INF/MANIFEST.MF
+++ b/org.smeup.sys.os.file.base/META-INF/MANIFEST.MF
@@ -19,7 +19,8 @@ Require-Bundle:
  org.smeup.sys.os.lib,
  org.smeup.sys.rt.core,
  org.smeup.sys.il.memo,
- org.smeup.sys.os.usrspc
+ org.smeup.sys.os.usrspc,
+ org.smeup.sys.os.usrspc.base
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-ActivationPolicy: lazy
 Import-Package: org.smeup.sys.dk.source
diff --git a/org.smeup.sys.os.file.base/src/org/smeup/sys/os/file/base/api/DatabaseFileDescriptionRetriever.java b/org.smeup.sys.os.file.base/src/org/smeup/sys/os/file/base/api/DatabaseFileDescriptionRetriever.java
new file mode 100644
index 00000000..497cf431
--- /dev/null
+++ b/org.smeup.sys.os.file.base/src/org/smeup/sys/os/file/base/api/DatabaseFileDescriptionRetriever.java
@@ -0,0 +1,55 @@
+/**
+ *  Copyright (c) 2012, 2016 Sme.UP and others.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *
+ * Contributors:
+ *   Giuliano Giancristofaro - Initial API and implementation
+ */
+package org.smeup.sys.os.file.base.api;
+
+import org.smeup.sys.il.data.QBinary;
+import org.smeup.sys.il.data.QCharacter;
+import org.smeup.sys.il.data.QDataStructWrapper;
+import org.smeup.sys.il.data.QPointer;
+import org.smeup.sys.il.data.annotation.DataDef;
+import org.smeup.sys.il.data.annotation.Main;
+import org.smeup.sys.il.data.annotation.Program;
+import org.smeup.sys.il.data.def.BinaryType;
+
+@Program(name = "QDBRTVFD")
+public class DatabaseFileDescriptionRetriever {
+
+	@Main
+	public void main(QPointer receiverVariable, 
+			@DataDef(binaryType = BinaryType.INTEGER) QBinary lengthReceiverVariable, 
+			@DataDef(length = 20) QCharacter qualifiedReturnedFileName,
+			@DataDef(length = 8) QCharacter formatName, 
+			FileRef qualifiedFileName, 
+			@DataDef(length = 10) QCharacter recordFormatName,
+			@DataDef(length = 1) QCharacter overridingProcesing, 
+			@DataDef(length = 10) QCharacter system, 
+			@DataDef(length = 10) QCharacter formatType, 
+			ErrorCode errorCode) {
+
+		"".toCharArray();
+
+	}
+
+	public static class ErrorCode extends QDataStructWrapper {
+		private static final long serialVersionUID = 1L;
+		@DataDef(binaryType = BinaryType.INTEGER, value = "272")
+		public QBinary £$01e1;
+		@DataDef(binaryType = BinaryType.INTEGER)
+		public QBinary £$01e2;
+		@DataDef(length = 7)
+		public QCharacter £$01e3;
+		@DataDef(length = 1)
+		public QCharacter £$01e4;
+		@DataDef(length = 256)
+		public QCharacter £$01e5;
+	}
+}
\ No newline at end of file
diff --git a/org.smeup.sys.os.file.base/src/org/smeup/sys/os/file/base/api/DatabaseRelationsList.java b/org.smeup.sys.os.file.base/src/org/smeup/sys/os/file/base/api/DatabaseRelationsList.java
new file mode 100644
index 00000000..d231a227
--- /dev/null
+++ b/org.smeup.sys.os.file.base/src/org/smeup/sys/os/file/base/api/DatabaseRelationsList.java
@@ -0,0 +1,75 @@
+/**
+ *  Copyright (c) 2012, 2016 Sme.UP and others.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *
+ * Contributors:
+ *   Giuliano Giancristofaro - Initial API and implementation
+ */
+package org.smeup.sys.os.file.base.api;
+
+import org.smeup.sys.il.data.QBinary;
+import org.smeup.sys.il.data.QCharacter;
+import org.smeup.sys.il.data.QDataStructWrapper;
+import org.smeup.sys.il.data.annotation.DataDef;
+import org.smeup.sys.il.data.annotation.Main;
+import org.smeup.sys.il.data.annotation.Program;
+import org.smeup.sys.il.data.def.BinaryType;
+import org.smeup.sys.os.usrspc.base.api.UserSpaceRef;
+
+@Program(name = "QDBLDBR")
+public class DatabaseRelationsList {
+
+	@Main
+	public void main(UserSpaceRef qualifiedUserSpaceName, 
+			@DataDef(length = 8) QCharacter formatName, 
+			FileRef qualifiedFileName, 
+			@DataDef(length = 10) QCharacter member,
+			@DataDef(length = 10) QCharacter recordFormat, 
+			ErrorCode errorCode) {
+
+		"".toCharArray();
+
+	}
+
+	public static class JOBL0100 extends QDataStructWrapper {
+		private static final long serialVersionUID = 1L;
+		@DataDef(length = 10)
+		public QCharacter fileNameUsed;
+		@DataDef(length = 10)
+		public QCharacter fileLibraryNameUsed;
+		@DataDef(length = 10)
+		public QCharacter dependentFileName;
+		@DataDef(length = 10)
+		public QCharacter dependentLibraryName;
+		@DataDef(length = 1)
+		public QCharacter dependencyType;
+		@DataDef(length = 3)
+		public QCharacter reserved;
+		@DataDef(binaryType = BinaryType.INTEGER) 
+		public QBinary joinReferenceNumber;
+		@DataDef(length = 10)
+		public QCharacter constraintLibraryName;
+		@DataDef(binaryType = BinaryType.INTEGER) 
+		public QBinary constraintNameLength;
+		@DataDef(length = 258)
+		public QCharacter constraintName;
+	}
+	
+	public static class ErrorCode extends QDataStructWrapper {
+		private static final long serialVersionUID = 1L;
+		@DataDef(binaryType = BinaryType.INTEGER, value = "272")
+		public QBinary £$01e1;
+		@DataDef(binaryType = BinaryType.INTEGER)
+		public QBinary £$01e2;
+		@DataDef(length = 7)
+		public QCharacter £$01e3;
+		@DataDef(length = 1)
+		public QCharacter £$01e4;
+		@DataDef(length = 256)
+		public QCharacter £$01e5;
+	}
+}
\ No newline at end of file