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ft_strnstr.c
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ft_strnstr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: doley <doley@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/08 23:36:31 by doley #+# #+# */
/* Updated: 2024/10/16 14:09:05 by doley ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *haystack, const char *needle, size_t len)
{
size_t needle_len;
if (!haystack && len == 0)
return (NULL);
needle_len = ft_strlen(needle);
if (needle_len == 0)
return ((char *)haystack);
while (*haystack && len >= needle_len)
{
if (ft_strncmp(haystack, needle, needle_len) == 0)
return ((char *)haystack);
haystack++;
len--;
}
return (NULL);
}