#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <string.h>




#define BUFFSIZE 1024




int n;
int file;
char buff[BUFFSIZE];

struct student{

    char *name;
    int grades[5];

} students[100];

int size=0;

int main()
{

    if((file = open("file.txt",O_RDONLY)) <0)
    {
        printf("ERROR OPENING THE FILE ");
        return 1;
    }

    while((n = read(file,buff,BUFFSIZE)))
    {
        char newBuff[BUFFSIZE];
        strcpy(newBuff,buff);

        char *p = strtok(newBuff,":,.\n");

        int index = 0;
        while(p)
        {
            //printf("%s\n",p);


            if(index== 0)
            {
                students[size].name = malloc(sizeof(char) * (strlen(p)+1));
                strcpy(students[size].name,p);
                ++index;

            }
            else
            {

                int grade = atoi(p);
               // printf("%d\n",grade);
                students[size].grades[index-1] =grade;

                ++index;
            }

            if(index == 6)
            {
                index = 0;
                size++;
            }

             p = strtok(NULL,":,.\n");

        }

    }


    pid_t pid = fork();

    if(pid < 0)
    {
        printf("ERROR WHILE FORKING");
        return -1;

    }
    else if(pid == 0)
    {
        ///CHILD

        for(int i=0;i<size;i++)
        {
            double avg = 0;
            for(int j=0;j<5;j++)
            {
                avg += students[i].grades[j];
            }
            avg = avg /5;

            printf("The stundet: %s has the avg: %f",students[i].name,avg);

        }



    }
    else
    {


    }



    return 0;
}