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ft_strnstr.c
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ft_strnstr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lmartine <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/02/26 21:17:04 by lmartine #+# #+# */
/* Updated: 2018/03/07 15:58:36 by lmartine ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *haystack, const char *needle, size_t len)
{
unsigned int i;
int j;
j = 0;
i = 0;
if (!*needle)
return ((char*)haystack);
while (haystack[i])
{
j = 0;
while (haystack[i] == needle[j] && haystack[i] && i < len)
{
i++;
j++;
}
if (!needle[j])
return ((char*)&haystack[i - j]);
i = (i - j) + 1;
}
return (NULL);
}