@misc{structtutorialspoint,
    Title = {struct basics},
    howpublished = {\url{https://www.tutorialspoint.com/cprogramming/c_structures.htm}},
    note = {Aufgerufen: 2020-04}
}

@misc{structchowto,
    Title = {struct basics},
    howpublished = {\url{http://www.c-howto.de/tutorial/strukturierte-datentypen/strukturen/}},
    note = {Aufgerufen: 2020-04}
}

@misc{pointertutorialspoint,
    Title = {Pointer basics},
    howpublished = {\url{https://www.tutorialspoint.com/cprogramming/c_pointers.htm}},
    note = {Aufgerufen: 2020-04}
}