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ft_strnstr.c
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ft_strnstr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fcorvaro <fcorvaro@student.42roma.it> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/02/19 10:39:53 by fcorvaro #+# #+# */
/* Updated: 2023/04/18 13:01:05 by fcorvaro ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *src, const char *find, size_t n)
{
size_t i;
size_t j;
i = 0;
if (!src && !n)
return (0);
if (find[0] == '\0' || find == src)
return ((char *)src);
while (src[i] != '\0')
{
j = 0;
while (src[i + j] == find[j] && (i + j) < n)
{
if (src[i + j] == '\0' && find[j] == '\0')
return ((char *)&src[i]);
j++;
}
if (find[j] == '\0')
return ((char *)(src + i));
i++;
}
return (0);
}
/*locate a substring in a string*/