ft_strrchr.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strrchr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rmikhayl <rmikhayl@student.42london.c      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/12/17 17:25:25 by rmikhayl          #+#    #+#             */
/*   Updated: 2023/12/17 17:25:25 by rmikhayl         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "libft.h"
 
/* *************************** ft_strrchr *********************************** */
/*   Searches for the last occurrence of 'c' in the string 's.'               */
/*   Returns a pointer to the found character or NULL if not found.           */
/*                                                                            */
/*   In layman's terms: It's like finding the very last occurrence of a       */
/*   specific character in a sentence. If it's there, you get a pointer to it */
/*   otherwise, you get nothing.                                              */
/* ************************************************************************** */
 
char    *ft_strrchr(const char *s, int c)
{
    unsigned char   uc;
    const char      *last_occurrence;
 
    last_occurrence = NULL;
    uc = (unsigned char)c;
    while (*s != '\0')
    {
        if (*s == uc)
            last_occurrence = s;
        s++;
    }
    if (*s == uc)
        return ((char *)s);
    return ((char *)last_occurrence);
}