XSD type:

   <xsd:simpleType name="TypeName">
      <restriction base="xsd:hexBinary"/>
   </xsd:simpleType>

Generated C code:

   typedef OSDynOctStr TypeName;    /* if -x64 is not used */
   typedef OSDynOctStr64 TypeName;  /* if -x64 is used */

Generated C++ code:

class TypeName : public OSDynOctStrClass { ... } ;