libft/ft_strstr.c at master · yosoyuva/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strstr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ymehdi <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/04/07 12:48:04 by ymehdi            #+#    #+#             */
/*   Updated: 2019/04/10 12:57:35 by ymehdi           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strstr(const char *big, const char *little)
{
	int		i;
	int		j;

	i = 0;
	j = 0;
	if (!little[0])
		return ((char *)&big[i]);
	while (big[i])
	{
		while ((big[i + j] == little[j]) && little[j])
			j += 1;
		if (!little[j])
			return ((char *)&big[i]);
		j = 0;
		i += 1;
	}
	return (NULL);
}