#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main()
{
	int lines_to_print = 0;
	int i = 0;
	int num_lines = 0;
	char buffer[500];
	int first_file = open("first.txt", O_RDONLY);
	if(first_file < 0)
		{
			perror("Error in opening the first file");
			return 0;
		}
	while (read(first_file, buffer, 1))
		{
			for (i = 0; buffer[i]; i++)
			{	if (buffer[i] == '\n')
				{
					num_lines++;
				}
			}
		}
	lines_to_print = num_lines - 10;
	for (i = lines_to_print; i <= num_lines; i++)
	{
		write(STDOUT_FILENO, &buffer[i], 10);
	}

	close(first_file);
	return 0;
}