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ft_strnstr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: thakala <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/10 15:25:07 by thakala #+# #+# */
/* Updated: 2021/12/05 13:45:30 by thakala ### ########.fr */
/* */
/* ************************************************************************** */
#include <string.h>
char *ft_strnstr(const char *haystack, const char *needle, size_t len)
{
size_t n;
while (len-- && *haystack)
{
n = 0;
while (len >= n && needle[n] && haystack[n] == needle[n])
n++;
if (!needle[n])
return ((char *)haystack);
haystack++;
}
if (!*needle)
return ((char *)haystack);
return (NULL);
}