program to set pointer position in file

#include<stdio.h>
#include<conio.h>
void main()
{
    FILE *fp;
    fpos_t loc;
    int i,a[40],n;
    clrscr();
    fp=fopen("series.txt","w");
    printf("enter the number of elements ");
    scanf("%d",&n);
    printf("\nenter the elements ");
    for(i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
        fprintf(fp,"%d ",a[i]);
    }
    fclose(fp);
    printf("the series is  ");
    fp=fopen("series.txt","r");
    for(i=0;i<n;i++)
    {
        fscanf(fp,"%d\t",&a[i]);
        printf("%4d",a[i]);
    }
    //fgetpos(fp,&loc);
    printf("the series is  ");
    rewind(fp);
    loc=loc+2;
    fsetpos(fp,&loc);
    fscanf(fp,"%d",&a[i]);
    printf("%4d",a[i]);
    getch();
}