problema link list C

[shivi_php]

io sto faccendo cosi ma non so cosa sbaglio come output mi da tutti dati uguali grazie mille
ho creato questa funzione per inserimento

struct student* tempNextPoint = NULL; ho creato questo puntatore globale e inizializzo null

void insertDataIntolinkList(char *stufirstname,char *stulastname,int stuage, int sturollno, char *stuclasssection, int stutotalnumber, char *stupromotion){
    struct student* tempStudentInfo = (struct student*)malloc(sizeof(student));
    
    strcpy((*tempStudentInfo).studentFirstName,stufirstname);
    strcpy((*tempStudentInfo).studentLastName,stulastname);
    (*tempStudentInfo).studentAge = stuage;
    (*tempStudentInfo).studentRollNo = sturollno;
    strcpy((*tempStudentInfo).studentClassSection,stuclasssection);
    (*tempStudentInfo).studentTotalNumber = stutotalnumber;
    strcpy((*tempStudentInfo).studentPromotion,stupromotion);


    (*tempStudentInfo).nextPoint = tempNextPoint;
    tempNextPoint = tempStudentInfo;
}

e con questa funzione faccio print di tutti dati ma in output sono tutti uguali anche se inserisco dati diversi perchè

void displayAllStudentResult(){
    struct student* tempPrintPoint = tempNextPoint;
    while(tempPrintPoint != NULL){
        printf("\t\t\n student first name is %s ",(*tempPrintPoint).studentFirstName);
        printf("\t\t\n student last name is %s ",(*tempPrintPoint).studentLastName);
        printf("\t\t\n student age is %d ",(*tempPrintPoint).studentAge);
        printf("\t\t\n student roll number is %d ",(*tempPrintPoint).studentRollNo);
        printf("\t\t\n student class section is %c ",(*tempPrintPoint).studentClassSection);
        printf("\t\t\n student total number %d ",(*tempPrintPoint).studentTotalNumber);
        printf("\t\t\n student promotion %s ",(*tempPrintPoint).studentPromotion);


        tempPrintPoint = (*tempPrintPoint).nextPoint;
    }


    printf("\n");
}

nel main sto faccendo in questo modo

int studentNumber,num;
    struct student *getStudentInfo;


    getStudentInfo = (struct student*)malloc(sizeof(struct student));


    printf("\t\t\n quanti studenti -> ");
    scanf("%d",&studentNumber);


    for(num = 1; num <= studentNumber; num++ ){


    printf("\t\t\n enter student firstname (max 40 charecters ) ");
    scanf("%s",&(getStudentInfo)->studentFirstName);


    printf("\t\t\n enter student lastname (max 40 charecters ) ");
    scanf("%s",&(getStudentInfo)->studentLastName);


    printf("\t\t\n enter student age ");
    scanf("%d",&(getStudentInfo)->studentAge);


    printf("\t\t\n enter student roll number ");
    scanf("%d",&(getStudentInfo)->studentRollNo);


    printf("\t\t\n enter student class section (A,B,C,D ecc... ) ");
    scanf("%s",&(getStudentInfo)->studentClassSection);


    printf("\t\t\n enter student total number ");
    scanf("%d",&(getStudentInfo)->studentTotalNumber);


    printf("\t\t\n enter student promotion result  (pass or fail) ");
    scanf("%s",&(getStudentInfo)->studentPromotion);


    }


    insertDataIntolinkList((*getStudentInfo).studentFirstName,(*getStudentInfo).studentLastName,(*getStudentInfo).studentAge,(*getStudentInfo).studentRollNo,(*getStudentInfo).studentClassSection,(*getStudentInfo).studentTotalNumber,(*getStudentInfo).studentPromotion);


    for(num=0;num<=studentNumber;num++){
        displayAllStudentResult();
    }


    free(getStudentInfo);