extern "C" int lsof_entry( int argc, char *argv[] );bool OSRunLsof( const wxString &strTempPath ){  // create a temp file to retrieve the lsof result.  wxString strLsofFile = OSCreateTempFileName( strTempPath + "lof" );  if( strLsofFile.IsEmpty() )  {    LogDebug( "OSRunLsof() failed to create temp lsof file." );    return false;  }  LogDebug( "OSRunLsof() successfully created temp lsof file: %s.", strLsofFile.c_str() );  wxGetApp().AddFileNameToDeleteList( strLsofFile );    bool bResult = false;  // Open the created temp file.  wxFile fileLsof( strLsofFile, wxFile::read_write );  if( fileLsof.IsOpened() )  {    // backup stdout and stderr.    int iStdout = dup(STDOUT_FILENO);    int iStderr = dup(STDERR_FILENO);    if( ( -1 != iStderr ) && ( -1 != iStdout ) )    {      int fdNull = open("/dev/null", O_RDWR);      if( -1 != fdNull )      {        // redirect stdout and stderr.        if( ( -1 != dup2( fileLsof.fd(), STDOUT_FILENO ) ) &&             ( -1 != dup2( fdNull, STDERR_FILENO ) ) )        {          // format arguments: losf -i -P -n          const int ARG_NUM = 3;          char strArg0[5] = { "lsof" };          char strArg1[3] = { "-i" };          char strArg2[3] = { "-P" };          char strArg3[3] = { "-n" };          char* strArgv[ ARG_NUM + 1 ] = { strArg0, strArg1, strArg2, strArg3 };          // run lsof.          if( 0 == lsof_entry( ARG_NUM, strArgv ) )          {            bResult = true;          }          // restore stdout and stderr.          dup2( iStdout, STDOUT_FILENO );          dup2( iStderr, STDERR_FILENO );        }        else        {          LogDebug( "OSRunLsof() failed to dup2 STD_FILENO." );        }      }      else      {        LogDebug( "OSRunLsof() failed to open /dev/null." );      }      // close backup.      close( iStdout );      close( iStderr );    }    else    {      LogDebug( "OSRunLsof() failed to dup STD_FILENO." );    }    fileLsof.Close();  }  else  {    LogDebug( "OSRunLsof() failed to open temp lsof file: %s.", strLsofFile.c_str() );  }  // Process lsof file.  //if( bResult )  //{  //  // temporary process  //  wxCopyFile( strLsofFile, "/root/lsof.txt" );  //}  wxGetApp().RemoveFileNameFromDeleteList( strLsofFile );  return bResult;}