// ConsoleApplication4.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include "pch.h"
#include <iostream>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define MAX_WORD_LENGTH 100

int main()
{
	FILE *fptr;
	int argc;
	char filename[15];
	char str[60];
	char *largest = (char*)malloc(MAX_WORD_LENGTH);
	char *smallest = (char*)malloc(MAX_WORD_LENGTH);
	int smallest_len = MAX_WORD_LENGTH, largest_len = 0;
	printf("Enter the file name you want to open:\n");
	scanf("%s", filename);
	fptr = fopen(filename, "r");
	if (fptr == NULL)
	{
		printf("Cannot open file \n");
		exit(0);
	}
	while (fgets(str, 60, fptr) != NULL)
	{
		char *temp = strtok(str, " ");
		while (temp != NULL)
		{
			if (strlen(temp) > largest_len)
			{
				strcpy(largest, temp);
				largest_len = strlen(largest);
			}
			temp = strtok(NULL, " ");
		}
	}
	printf("The largest word in the file is: %s\n", largest);
	fclose(fptr);

	return 0;
}