ft_strrchr.c

Go to the documentation of this file.

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strrchr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: unite <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/09/04 23:31:57 by unite             #+#    #+#             */
/*   Updated: 2020/07/16 02:42:55 by unite            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "libft.h"
 
char    *ft_strrchr(const char *s, int c)
{
    size_t  i;
    size_t  last;
    int     found;
 
    i = 0;
    last = 0;
    found = 0;
    while (s[i])
    {
        if (s[i] == c)
        {
            last = i;
            found = 1;
        }
        i++;
    }
    if (found)
        return ((char *)(s + last));
    else if (c == 0)
        return ((char *)(s + i));
    else
        return (NULL);
}