ft_strnstr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strnstr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rhiguita <rhiguita@student.42madrid>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/05/05 01:59:37 by rhiguita          #+#    #+#             */
/*   Updated: 2024/05/05 02:55:14 by rhiguita         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strnstr(const char *big, const char *little, size_t len)
{
	size_t	i;
	size_t	j;

	i = 0;
	if (little[i] == '\0')
		return ((char *)big);
	while (big[i] && i < len)
	{
		j = 0;
		while (little[j] && big[i + j] == little[j]
			&& i + j < len)
			j++;
		if (little[j] == '\0')
			return ((char *)big + i);
		i++;
	}
	return (0);
}
/*
int	main()
{
	const char	*a = "Bienvendios a 42 madrid";
	const char	*b = "42";
	char 		*r = ft_strnstr(a, b, 20);

	printf("Ocurrencia de string: %s\n", r);
	return (0);
}*/