exam final

1 files changed, 40 insertions, 0 deletions

diff --git a/exam_final/rendu/ft_strrev/ft_strrev.c b/exam_final/rendu/ft_strrev/ft_strrev.c
new file mode 100755
index 0000000..685dd70
--- /dev/null
+++ b/exam_final/rendu/ft_strrev/ft_strrev.c
@@ -0,0 +1,40 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strrev.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: exam <marvin@42.fr>                        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/26 10:34:13 by exam              #+#    #+#             */
+/*   Updated: 2019/07/26 10:40:13 by exam             ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+int		ft_strlen(char *str)
+{
+	int	counter;
+
+	counter = 0;
+	while (str[counter])
+		counter++;
+	return (counter);
+}
+
+char	*ft_strrev(char *str)
+{
+	int 	i;
+	int 	j;
+	char	tmp;
+
+	i = 0;
+	j = ft_strlen(str) - 1;
+	while (i < j)
+	{
+		tmp = str[i];
+		str[i] = str[j];
+		str[j] = tmp;
+		i++;
+		j--;
+	}
+	return (str);
+}