Вывод на консоль с файла по заданным параметрам - C (СИ)

#include <stdio.h>
#include<stdlib.h>
#include<conio.h>
#include <string.h>
FILE *fp;
int main(){
    struct
     {
        char studentInfo[20];
        char group[20];
        int averageRating;
        int grants;
    } book; 
 
       char  studentInfo_[20];
       int rec_count=0;
 
     if ((fp = fopen("C:\\Users\\Михаил\\Documents\\CPP\\output.txt", "w")) == NULL)
       {
         printf("\n file not open");
         exit(1);
        }
 
     while(1){
        
         printf("\n PIB studenta ");
         scanf("%s",studentInfo_);
         if (strcmp(studentInfo_, "***")==0) break;
         strcpy(book.studentInfo,studentInfo_);
         printf("\n grupa ");
         scanf("%s",book.group);
         printf("\n seredniy bal ");
         scanf("%d",&book.averageRating);
         printf("\n stipendiya ");
         scanf("%d",&book.grants);

         fprintf(fp,"%s  \n",book.studentInfo);
         fprintf(fp,"\n%s  ",book.group);
         fprintf(fp,"%d \n",book.averageRating);
         fprintf(fp,"%d \n",book.grants);
         rec_count++;//Есть очередная запись
     }
 
     printf("\n Inputs %d records",rec_count);
     void clear_kb(void);// Очистка буфера ввода
     fclose(fp); 

    char student[20];
    char gr[20];
    int avRate;
    int grants;

     if ((fp = fopen("C:\\Users\\Михаил\\Documents\\CPP\\output.txt", "r")) == NULL)
       {
         printf("\n file not open");
         exit(1);
       }

     while(!feof(fp)) 
    {
     void clear_kb(void);

         fscanf(fp,"%s",student);
         fscanf(fp,"%s",gr);
         fscanf(fp,"%d",&avRate);
         fscanf(fp,"%d",&grants);
 
         int vBal;
         printf("\n Vvedite srednii bal: ");
         scanf("%d",&vBal);
        if (book.averageRating>vBal)
          {
         printf("\n %s  ",student);
         printf(" %20s  ",gr);
         printf("%6d  ",avRate);
         printf("%6d ",grants);
          }
     }
     void clear_kb(void);
     fclose(fp);
     getch();
     return 0;
     }