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ft_strncmp.c
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ft_strncmp.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strncmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: anarodri <anarodri@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/04 18:01:44 by anarodri #+# #+# */
/* Updated: 2022/12/15 12:51:09 by anarodri ### ########.fr */
/* */
/* ************************************************************************** */
/*
** Compares (lexicographically) up to n characters of str1 to those of str2.
** Characters following the null character are not compared.
** Return:
** Negative value if str1 is less than str2;
** Zero if they're equal;
** Positive value if str1 is greater than str2.
*/
#include "../libft.h"
int ft_strncmp(const char *str1, const char *str2, size_t n)
{
unsigned int i;
i = 0;
if (n == 0)
return (0);
while (str1[i] == str2[i] && i < (n - 1)
&& (str1[i] != '\0' || str2[i] != '\0'))
i++;
return ((unsigned char)str1[i] - (unsigned char)str2[i]);
}