#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>

#define DEFAULT_FILE        "input.txt"
#define STRBUF_LEN          200
#define ISDIGIT(X)      (X >= '0' && X <= '9')

int main(int argc, char **argv)
{
    // Get filename as an argument, if there is one
    char *path = (argc > 1) ? argv[1] : DEFAULT_FILE;

    if (!path)
    {
        printf("Requires input file.\n");
        return 1;
    }

    FILE *file = fopen(path, "r");
    char strbuf[STRBUF_LEN] = {0};

    if (!file)
    {
        printf("Could not find file.");
        return 1;
    }


    while (fgets(strbuf, STRBUF_LEN, file))
    {
        // Code goes here
        
    }

    return 0;
}