include

#include <stdlib.h>

struct name {
    char firstname[100];
    char lastname[100];
};

struct player {
    struct name playername;
    int score;
    struct player *nextPlayer; **//WIRD HIER EIN PLAYER ERSTELLT; MIT EINER POINTERVARIABLE, WENN JA WOFÜR?**
};

struct player *newPlayer;
struct player *firstPlayer;
struct player *currentPlayer; **//WIESO WERDEN HIER 3 POINTERVARIABLEN ERSTELLT?**

int main(int argc, const char * argv[]) {
    newPlayer = (struct player *) malloc(sizeof(struct player)); //ICH VERSTEHE DEN SINN DES EINZELNEN STERNS NICHT

    firstPlayer = newPlayer;
    currentPlayer = firstPlayer;

    printf("\nVorname des Spielers: ");
    scanf("%s", &currentPlayer->playername.firstname);
    printf("Nachname des Spielers: ");
    scanf("%s", &currentPlayer->playername.lastname);
    printf("Punkte des Spielers: ");
    scanf("%d", &currentPlayer->score);
    currentPlayer->nextPlayer = NULL;


    newPlayer = (struct player *) malloc(sizeof(struct player));
    currentPlayer->nextPlayer = newPlayer;
    currentPlayer = currentPlayer->nextPlayer;


    printf("\nVorname des Spielers: ");
    scanf("%s", &currentPlayer->playername.firstname);
    printf("Nachname des Spielers: ");
    scanf("%s", &currentPlayer->playername.lastname);
    printf("Punkte des Spielers: ");
    scanf("%d", &currentPlayer->score);
    currentPlayer->nextPlayer = NULL;


    newPlayer = (struct player *) malloc(sizeof(struct player));
    currentPlayer->nextPlayer = newPlayer;
    currentPlayer = currentPlayer->nextPlayer;


    printf("\nVorname des Spielers: ");
    scanf("%s", &currentPlayer->playername.firstname);
    printf("Nachname des Spielers: ");
    scanf("%s", &currentPlayer->playername.lastname);
    printf("Punkte des Spielers: ");
    scanf("%d", &currentPlayer->score);
    currentPlayer->nextPlayer = NULL;

    printf("________________________\n");

    currentPlayer = firstPlayer;

    while(currentPlayer) {
        printf("Spieler: %s %s, Score: %d\n", currentPlayer->playername.firstname, currentPlayer->playername.lastname, currentPlayer->score);
        currentPlayer = currentPlayer->nextPlayer;

    }

    return 0;
}

Der Code ist vom Youtube Video: https://www.youtube.com/watch?v=7x32j_rzjuM