ft_memchr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memchr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mtan <marvin@42.fr>                        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/02/21 17:40:55 by mtan              #+#    #+#             */
/*   Updated: 2018/02/21 17:41:09 by mtan             ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

void	*ft_memchr(const void *str, int c, size_t n)
{
	unsigned const char	*tstr;
	unsigned char		tc;
	size_t				i;

	tstr = (unsigned char*)str;
	tc = (unsigned char)c;
	i = -1;
	while (++i < n)
		if (tstr[i] == tc)
			return ((void *)&tstr[i]);
	return (NULL);
}