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ft_strstr.c
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ft_strstr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: vvarodi <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/01/22 12:44:59 by vvarodi #+# #+# */
/* Updated: 2020/01/22 17:00:51 by vvarodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strstr(const char *haystack, const char *needle)
{
int i;
int j;
i = 0;
j = 0;
if (!*needle)
return ((char *)haystack);
while (haystack[i] != '\0')
{
if (haystack[i] == needle[0])
{
while (needle[j] != '\0' && haystack[i + j] == needle[j])
{
if (needle[j + 1] == '\0')
return ((char *)&haystack[i]);
j++;
}
}
i++;
}
return (NULL);
}