Q. Write a function to display and count length of a file.

#include<stdio.h>
#include<conio.h>
void main()
{
    char ch='a', ch2;
    int c=0;
    FILE *fp;
    fp=fopen("f:\\file.txt","r");
    do{
        ch2 = fgetc(fp);
        printf("%c", ch2);
        c++;
    }while(ch2!=EOF);
    printf("Total length = %d", c);
    fclose(fp);
    getch();
}