<library>Terminate

    ...
/* Call the library initialization routine and ensure the
*  library was initialized properly. */
if (!libmatrixInitialize())
{
    fprintf(stderr, 
            "An error occurred while initializing: \n %s ",
            mclGetLastErrorMessage());
    return -2;
}
else
{
/* Call the library function(s) for your application */
    ...

    ...
/* Call the library termination routine */
libmatrixTerminate();
/* Free the memory created */
mxDestroyArray(in1); in1=0;
mxDestroyArray(in2); in2 = 0;
}

/* mclTerminateApplication shuts down MATLAB Runtime. 
     * You cannot restart it by calling mclInitializeApplication.
     * Call mclTerminateApplication once and only once in your application.
     */
    mclTerminateApplication();
    return 0;
}