struct_alin

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

struct stud
{
    char name[25];
    float avg;
    int grade;
};
typedef struct stud stud_t;

void average(FILE *pf)
{
    int m,n;
    stud_t student[201],aux;
    int i=0,j;
    while(1)
    {
        if(fscanf(pf, "%[^,]", student[i].name)!=1)
            break;
        fgetc(pf);
        for(j=1;j<=10;j++)
        {
            if(fscanf(pf,"%d",&(student[i].grade))==1)
                student[i].avg=student[i].avg+student[i].grade;
            else
            break;
            fgetc(pf);
        if(student[i].grade<5){
        fscanf(pf,"*[^\n]");
                break;}
        }
        if(j==11)
        {
            student[i].avg /= 10;
            i++;
        }
        else
        student[i].avg = 0;

    }

    for(m=0;m<i;m++)
        for(n=m+1;n<=i;n++)
            if(student[m].avg<student[n].avg)
            {
                aux=student[m];
                student[m]=student[n];
                student[n]=aux;
            }
    for(m=0;m<i;m++)
    printf("The average of %s : %f\n",student[m].name,student[m].avg);

}
int main(void)
{
    FILE *f;
    f=fopen("students.csv","r");
    if(!f){
    perror("Error on opening the file");
    return errno;}
    average(f);
    if(fclose(f)){
        perror("Error on closing the file");
    return errno;}
    return 0;
}