#include <stdio.h>
#include <conio.h>
#include <string.h>

#define BUFFSIZE 100

int main(int argc, char *argv[])
{
	FILE *in_file;
	char buffer[BUFFSIZE];
	char word[BUFFSIZE];
	int counter = 0;
	int wordflag = 0;
	int offset = 0;

	if(argc != 2)
	{
		printf("USAGE : filter file");
		return 1;
	}

	in_file = fopen(argv[1], "rb");
	if(in_file == NULL)
	{
		printf("Error : unable to open file %s", argv[1]);
		getch();
		return 2;
	}
	else
		printf("File %s is open\n", argv[1]);

	while(fread(buffer, 1, 1, in_file) > 0)
	{
		if(buffer[0] >= ' ' && buffer[0] <= '~')
		{
			if(wordflag != 1)
				wordflag = 1;

			word[counter] = buffer[0];
			counter++;
			
		}
		else
		{
			if(counter != 0)
			{
				word[counter + 1] = '\0';
				if(strlen(word) > 5)
					printf("%8.8X : %s\n", offset, word);
			}
			counter = 0;
			wordflag = 0;
		}
		offset++;
	}

	getch();
	return 0;
}