ft_memchr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memchr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: youkim <youkim@student.42seoul.kr>         +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/05/08 18:49:29 by youkim            #+#    #+#             */
/*   Updated: 2021/05/08 18:55:02 by youkim           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

void	*ft_memchr(const void *s, int c, size_t n)
{
	size_t				i;
	const unsigned char	*ptr;

	i = 0;
	ptr = (unsigned char *)s;
	while (++i <= n)
		if (ptr[i - 1] == (unsigned char)c)
			return ((void *)&ptr[i - 1]);
	return (0);
}