C Program to Find the Size of File using File Handling Function

How to write a C Program to Find the Size of File using File Handling Function in C Programming Language ?

Solution:

/*
 * C Program to Find the Size of File using File Handling Function
 */
#include <stdio.h>
 
void main(int argc, char **argv)
{
    FILE *fp;
    char ch;
    int size = 0;
 
    fp = fopen(argv[1], "r");
    if (fp == NULL)
        printf("\nFile unable to open ");
    else 
        printf("\nFile opened ");
    fseek(fp, 0, 2);    /* file pointer at the end of file */
    size = ftell(fp);   /* take a position of file pointer un size variable */
    printf("The size of given file is : %d\n", size);    
    fclose(fp);
}

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