ft_strrchr.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strrchr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/10/07 10:26:24 by cacharle          #+#    #+#             */
/*   Updated: 2019/10/07 10:26:46 by cacharle         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <string.h>
#include "libft.h"

char	*ft_strrchr(const char *s, int c)
{
	size_t i;

	i = ft_strlen(s);
	while (s[i] != (char)c)
	{
		if (i == 0)
			return (NULL);
		i--;
	}
	return ((char*)s + i);
}