Update Ex4 and Starting Ex5

ex4/ft_convert_base.c

@@ -198,4 +198,4 @@ int	main(void)
 		free(result);
 	}
 	return (0);
-}*/
+}*/

ex5/ft_split.c

@@ -0,0 +1,74 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lclerel- <lclerel-@learner.42.tech>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/18 10:29:59 by lclerel-          #+#    #+#             */
+/*   Updated: 2026/03/18 18:19:30 by lclerel-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+#include <stdlib.h>
+
+char	**ft_split(char *str, char *charset)
+{
+	int		i;
+	int		j;
+	int		k;
+	char	**res;
+
+	res = malloc(sizeof(char *) * (ft_words(str, charset) + 1));
+	if (!res || (i = 0) == 1)
+		return (NULL);
+	j = 0;
+	while (str[i])
+	{
+		while (str[i] && ft_sep(str[i], charset))
+			i++;
+		res[j] = malloc(sizeof(char) * (len + 1));
+		if (!res[j])
+			return (NULL);
+		if (str[i] )
+	}
+}
+
+int	ft_sep(char c, char *charset)
+{
+	int	i;
+
+	i = 0;
+	while (charset[i])
+	{
+		if (c == charset[i])
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+int	ft_words(char *str, char *charset)
+{
+	int	i;
+	int	count;
+
+	count = 0;
+	i = 0;
+	while (str[i])
+	{
+		if (ft_sep(str[i], charset) == 0
+			&& (i == 0 || is_sep(str[i - 1], charset) == 1))
+		{
+			count++;
+		}
+		i++;
+	}
+	return (count);
+}
+
+/*int	main(void)
+{
+
+}*/