Count the number of characters in a file

/*
Practical C Programming, Third Edition
By Steve Oualline
Third Edition August 1997 

ISBN: 1-56592-306-5
Publisher: O'Reilly
*/


#include <stdio.h>
const char FILE_NAME[] = "input.txt";
#include <stdlib.h> 

int main() {
    int             count = 0;  /* number of characters seen */
    FILE           *in_file;    /* input file */

    /* character or EOF flag from input */
    int             ch;

    in_file = fopen(FILE_NAME, "r");
    if (in_file == NULL) {
        printf("Cannot open %s\n", FILE_NAME);
        exit(8);
    }

    while (1) {
        ch = fgetc(in_file);
        if (ch == EOF)
            break;
        ++count;
    }
    printf("Number of characters in %s is %d\n",
                  FILE_NAME, count);

    fclose(in_file);
    return (0);
}

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Count the number of characters in a file : File Read « File « C / ANSI-C

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