Can someone help correct the error in the below C program?

The yellow errors are the same for all three. When I try to run it, I get the attached error. Hope someone can help me solve it.

#include stdlib.h> #include #define NAME SIZE 5 #define MAX SIZE 5 4 typedef struct t 7 8 char name [NAME_SIZE]; int data; student t: 10 int main) puts ("Welcome to CUDB The C University Data Base") 12 13 14 student_t* students malloc(MAX_SIZE sizeof *students); int start semester[MAX SIZE]: int gpa [MAX_SIZE]; double avg0.0; 16 17 18 19 20 int count-0 while(1) int n; printf("n0: Haltln 1: List all students 2: Add a new student ") printf(" Enter an action: n") scanf ( "d &n); 23 25 26 27 28 29 30 31 switch(n) f case 0: printf("InBye"); return 0; case 1: for(int i=0; i