ajout de l'effacement selectif lors de l'opti, pas ouf ouf

libft/src/str/ft_strrchr.c

@@ -0,0 +1,32 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strrchr.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2018/11/14 21:19:23 by hulamy            #+#    #+#             */
+/*   Updated: 2019/03/25 15:26:21 by hulamy           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+/*
+** locate the last occurence of character c in string s
+** and return pointer to its location
+*/
+
+#include "libft.h"
+
+char	*ft_strrchr(const char *s, int c)
+{
+	int	i;
+
+	i = 0;
+	while (s[i])
+		i++;
+	i++;
+	while (i--)
+		if (s[i] == c)
+			return ((char *)s + i);
+	return (NULL);
+}