수다닷컴

질문 제목 :구조체 일반(함수이용)질문 요약 :왜 잘못나오는지 모르겠어요 ㅜㅠ.질문 내용 :

#includestdio.h

struct student {
char name[20];
int midterm;
int final;
int average;
};
typedef struct student Student;

struct cClass {
int num;
Student s[40];
};
typedef struct cClass CClass;

void readStudentScore(Student *data)
{
printf(Enter student name: );
scanf(%s, data-name);
printf(Enter midterm and final score: );
scanf(%d %d, &data-midterm, &data-final);
}

void calculateStudentAverage(Student *p)
{
p-average = (p-midterm + p-final) / 2;
}

void printStudent(Student *sp)
{
printf(%s\t, sp-name);
printf(%d\t%d\t%d\n, sp-midterm, sp-final, sp-average);
}

int main(void)
{
CClass c2;
int i;
Student all = {Total, 0, 0, 0};
printf(Enter a number of student:);
scanf(%d, &c2.num);

for (i = 0; i c2.num; i++)
{
readStudentScore(&all);
}

for (i = 0; i c2.num; i++)
{
calculateStudentAverage(&all);
}

printf(\n 이름\t 중간\t 학기말\t 평균\n);
for (i = 0; i c2.num; i++)
printStudent(&c2.s[i]);
}

여기서
readStudentScore 성적을 읽여드리는 이 함수나
calculateStudentAverage 평균구하는 함수가 틀린것 같은데
어떻게 고쳐야할까요 ㅜㅠ..
아래처럼 오류가 납니다...

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