mZlib.defineConstant("OS_UNKNOWN", runtime.newFixnum(OS_UNKNOWN));
mZlib.defineConstant("OS_CODE", runtime.newFixnum(OS_CODE));
mZlib.defineConstant("OS_ZSYSTEM", runtime.newFixnum(OS_ZSYSTEM));
mZlib.defineConstant("OS_VMCMS", runtime.newFixnum(OS_VMCMS));
mZlib.defineConstant("OS_VMS", runtime.newFixnum(OS_VMS));
mZlib.defineConstant("OS_RISCOS", runtime.newFixnum(OS_RISCOS));
mZlib.defineConstant("OS_MACOS", runtime.newFixnum(OS_MACOS));
mZlib.defineConstant("OS_OS2", runtime.newFixnum(OS_OS2));
mZlib.defineConstant("OS_AMIGA", runtime.newFixnum(OS_AMIGA));
mZlib.defineConstant("OS_QDOS", runtime.newFixnum(OS_QDOS));
mZlib.defineConstant("OS_WIN32", runtime.newFixnum(OS_WIN32));