ft_strcmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   ft_strcmp.c                                        :+:    :+:            */
/*                                                     +:+                    */
/*   By: ydag <ydag@student.codam.nl>                 +#+                     */
/*                                                   +#+                      */
/*   Created: 2019/11/04 17:19:59 by ydag           #+#    #+#                */
/*   Updated: 2019/11/04 17:20:05 by ydag          ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int		ft_strcmp(const char *s1, const char *s2)
{
	unsigned char	*ptr1;
	unsigned char	*ptr2;
	size_t			i;

	ptr1 = (unsigned char *)s1;
	ptr2 = (unsigned char *)s2;
	i = 0;
	while (ptr1[i] || ptr2[i])
	{
		if (ptr1[i] != ptr2[i])
			return (ptr1[i] - ptr2[i]);
		i++;
	}
	return (0);
}