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  FT_EXPORT( <span class="keyword">void</span> )
  <b>FT_Set_Debug_Hook</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a>         library,
                     <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>            hook_index,
                     FT_DebugHook_Func  debug_hook );

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<p>Set a debug hook function for debugging the interpreter of a font format.</p