diff --git a/lloiff.hpp b/lloiff.hpp
new file mode 100644
index 0000000..9103f0c
--- /dev/null
+++ b/lloiff.hpp
@@ -0,0 +1,76 @@
+#pragma once
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <llosymbol/llosymbol_base.hpp>
+#include <lloutils.hpp>
+
+namespace llo
+{
+    /// <summary>
+    /// lloiff class which contains all of the information for representing a file format in a IL format...
+    /// </summary>
+    class lloiff_t
+    {
+      public:
+        /// <summary>
+        /// iff section struct containing IL information about a section...
+        /// </summary>
+        struct iff_section_t
+        {
+            /// <summary>
+            /// section name, hashed so that there can be multiple...
+            /// </summary>
+            llo::utils::hash_t< std::string > section_name;
+
+            /// <summary>
+            /// opaque value, lifted from the original file format...
+            /// this is should only be used by code that understands what the underlying file
+            /// format was...
+            /// </summary>
+            std::uint64_t characteristics;
+
+            /// <summary>
+            /// vector of symbols for this section...
+            /// </summary>
+            std::vector< std::shared_ptr< llo::symbol::symbol_base_t > > symbols;
+
+            /// <summary>
+            /// vector of raw bytes containing the original bytes of this section...
+            /// </summary>
+            std::vector< std::uint8_t > raw;
+        };
+
+        /// <summary>
+        /// explicit constructor, must pass a name and the original file as a vector of bytes...
+        /// </summary>
+        /// <param name="name">name for this iff object...</param>
+        /// <param name="raw">vector of raw bytes containing the original file...</param>
+        explicit lloiff_t( const std::string &name, const std::vector< std::uint8_t > &raw ) : name( name ), raw( raw )
+        {
+        }
+
+        /// <summary>
+        /// entry point, where code execution begins....
+        /// this is lifted from the underlying file format...
+        /// </summary>
+        std::shared_ptr< disposition_t > entry;
+
+        /// <summary>
+        /// name of the iff file, hashed so there can be unique objects...
+        /// </summary>
+        llo::utils::hash_t< std::string > name;
+
+        /// <summary>
+        /// vector of iff sections...
+        /// </summary>
+        std::vector< iff_section_t > sections;
+
+        /// <summary>
+        /// vector of bytes containing the entire original file...
+        /// </summary>
+        std::vector< std::uint8_t > raw;
+    };
+} // namespace llo
\ No newline at end of file