ft_strrchr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strrchr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sbin-jef <sbin-jef@student.42kl.edu.my>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/28 15:20:04 by sbin-jef          #+#    #+#             */
/*   Updated: 2024/08/11 22:46:21 by sbin-jef         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stddef.h>
#include <unistd.h>
#include "libft.h"

char	*ft_strrchr(const char *str, int c)
{
	const unsigned char	*ptr;
	unsigned char		chck;
	char				*lo;

	ptr = (const unsigned char *)str;
	chck = (unsigned char)c;
	lo = NULL;
	if (str == NULL)
	{
		return (NULL);
	}
	while (*ptr != '\0')
	{
		if (*ptr == chck)
		{
			lo = (char *)ptr;
		}
		ptr++;
	}
	if (*ptr == chck)
	{
		return ((char *)ptr);
	}
	return (lo);
}