ft_strrchr.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strrchr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kfujita <kfujita@student.42tokyo.jp>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/04/10 14:54:20 by kfujita           #+#    #+#             */
/*   Updated: 2022/04/11 22:42:36 by kfujita          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include <stddef.h>
 
char    *ft_strrchr(const char *s, int c)
{
    const char  *p_c_found;
 
    p_c_found = NULL;
    while (*s != '\0')
    {
        if (*s == (char)c)
            p_c_found = s;
        s++;
    }
    if (p_c_found != NULL)
        return ((char *)p_c_found);
    else if (c == '\0')
        return ((char *)s);
    else
        return (NULL);
}