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

int main(int argc, char* argv[])
{
    if (argc != 2)
    {
        printf("Usage: %s <filename>\n", argv[0]);
        exit(EXIT_FAILURE);
    }

    FILE* fp;
    int ch = '\0';
    int count = 0;
    char cmp = 0x1a;
    if ((fp = fopen(argv[1], "rb")) == NULL)
    {
        printf("Error reading %s", argv[1]);
        exit(EXIT_FAILURE);
    }

    while (!feof(fp))
    {
        ch = fgetc(fp);
        if (!feof(fp) && ch == EOF) // **
        {
            puts("Terminating program: Error reading from file");
            exit(EXIT_FAILURE);
        }
        if (ch == cmp) count += 1;
    }

    fclose(fp);

    printf("Number of entries: %d\n", count);
    return 0;
}