#include <unistd.h>
#include <fcntl.h>

void	ft_putstr(char *str)
{
	int	i;

	i = 0;
	while (str[i])
	{
		write(2, &str[i], 1);
		i++;
	}
}

void	disp_files(int argc, char **argv)
{
	char	buffer;
	int		fd;
	int		i;

	i = 1;
	while (i < argc)
	{
		fd = open(argv[i], O_RDONLY);
		if (fd >= 0)
		{
			while (read(fd, &buffer, 1) != 0)
				write(1, &buffer, 1);
		}
		else
		{
			ft_putstr("ft_cat: ");
			ft_putstr(argv[i]);
			ft_putstr(": No such file or directory\n");
		}
		close(fd);
		i++;
	}
}

void	disp_stdin(void)
{
	char	buffer;

	while (read(0, &buffer, 1) != 0)
		write(1, &buffer, 1);
}

int		main(int argc, char **argv)
{
	if (argc < 2 || argv[1][0] == '-')
		disp_stdin();
	disp_files(argc, argv);
	return (0);
}