chdir(workingDir);
LaunchCallbackApp(int argc, char **argv){  putenv("NO_EM_RESTART=");#if defined(USE_EXECV)  execv(argv[0], argv);#elif defined(XP_MACOSX)  LaunchChild(argc, argv);#elif defined(XP_WIN)  WinLaunchChild(argv[0], argc, argv);#else# warning "Need implementaton of LaunchCallbackApp"#endif}