end of mandatory functions

ft_strmapi.c

@@ -0,0 +1,31 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strmapi.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/11/08 17:30:25 by dgaillet          #+#    #+#             */
+/*   Updated: 2025/11/08 17:34:12 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strmapi(char const *s, char (*f)(unsigned int, char))
+{
+	char			*str;
+	unsigned int	i;
+
+	i = 0;
+	str = malloc(sizeof(char) * (ft_strlen(s) + 1));
+	if (!str)
+		return (NULL);
+	while (s[i])
+	{
+		str[i] = f(i, s[i]);
+		i++;
+	}
+	str[i] = '\0';
+	return (str);
+}