libft/ft_strncmp.c at main · rubenoid/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   ft_strncmp.c                                       :+:    :+:            */
/*                                                     +:+                    */
/*   By: rvan-sch <rvan-sch@student.codam.nl>         +#+                     */
/*                                                   +#+                      */
/*   Created: 2019/11/22 20:19:52 by rvan-sch      #+#    #+#                 */
/*   Updated: 2019/11/22 23:36:09 by rvan-sch      ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_strncmp(const char *s1, const char *s2, size_t n)
{
	size_t	i;

	i = 0;
	while (i < n)
	{
		if (s1[i] != s2[i])
			return ((unsigned char)s1[i] - (unsigned char)s2[i]);
		if (s1[i] == '\0' && s2[i] == '\0')
			return (0);
		i++;
	}
	return (0);
}