#include <stdio.h>

char	*ft_strncat(char *dest, char *src, unsigned int nb)
{
	int				len_dest;
	unsigned int	i;

	len_dest = 0;
	while (dest[len_dest])
		len_dest++;
	i = 0;
	while (src[i] && (i < nb))
	{
		dest[len_dest] = src[i];
		i++;
		len_dest++;
	}
	dest[len_dest] = '\0';
	return (dest);
}

int main(void)
{
 	char dest[] = "Hello";
 	char src[] = " World";

 	ft_strncat(dest,src, 4);

 	printf("%s", dest);
 	return (0);
}