libft/ft_strrchr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strrchr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/16 10:34:23 by kcolin            #+#    #+#             */
/*   Updated: 2024/10/23 10:37:05 by kcolin           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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

/*
#include <stdio.h> // bad
#include <string.h> // bad

int	main(int argc, char **argv)
{
	char	*result;

	if (argc > 1)
	{
		result = ft_strrchr(argv[1], '\0' + 256);
		if (result == 0)
			printf("(null)\n");
		else
			printf("[%p]\n", result);
		result = strrchr(argv[1], '\0' + 256);
		if (result == 0)
			printf("(null)\n");
		else
			printf("[%p]\n", result);
	}
	return (0);
}
*/