public static DataType toDataType() {
		StructureDataType struct = new StructureDataType("Omf51LibraryModuleLocation", 0);
		struct.add(StructConverter.WORD, "blockNumber", null);
		struct.add(StructConverter.WORD, "byteNumber", null);
		struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
		return struct;
	}
{@return the offset into the library}
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/omf/omf51/Omf51LibraryModuleLocation.java