fb help

#include <stdio.h>
#include <stdlib.h>
struct student {
int id, totalgpa,hsc,ssc;
char* name;

student() {
    id = 0; totalgpa = 0; hsc = 0; ssc = 0;
    name = (char*)malloc(256);
    }

};

struct analysis {

    char* filename;
    FILE* f;
    int count;

    analysis(char* fullpath) {
        f = NULL;
        filename = fullpath;
        f = fopen(filename, (char*)'r+');
        if (!f) {
            printf("error file failed to open...");
            return;
        }
    }

    student* fileToStudent() {
        student* a = (student*)malloc(sizeof(student));
        int tries = 0;
        while (!fscanf(f, "id %d",&a->id)) {
            tries++;
            if (tries == 20) {
                break;
            }
        }
        fscanf(f, "name %s", a->name);
        fscanf(f, "total_gpa %d", &a->totalgpa);
        fscanf(f, "hsc %d", &a->hsc);
        fscanf(f, "total_gpa %d", &a->totalgpa);
        fscanf(f, "ssc %d", &a->ssc);

        return a;
    }
    student* getstudents() {

        student* a = (student*)malloc(sizeof(student*));
        student* cc_a = a;

        while (true) {
        cc_a = fileToStudent();
        if (cc_a->hsc == 0 && cc_a->id == 0) {
        break;
        }
        count++;
        cc_a = (student*)realloc(cc_a, sizeof(student*) * (count+1));
        }
    }

};