worked on IMF smartbuffers.

IMFHeader.h

@@ -1,26 +1,18 @@
 #ifndef __IMFHeader_h__
 #define __IMFHeader_h__
 
-#include "ZString.h"
-#include <sstream>
+#include <vector>
 
 namespace coreutils {
 
-   class IMFHeader : public ZString {
+   class IMFHeader {
 
     public:
-      IMFHeader(ZString &in);
-      IMFHeader(ZString key, ZString value);
-
-      ZString getKey();
-      ZString getValue();
-
-      void output(std::stringstream &out);
+      IMFHeader(int fd);
 
     private:
-      ZString key;
-      ZString value;
-
+      std::vector<IMFHeaderField> headers;
+      
    };
 
 }