#include <stdio.h>
int length(char *str)
{
    int index;
    
    index = 0;
    while (str[index] != '\0')
    {
        index++;
    }
    return (index);
}
char *ft_strstr(char *str, char *to_find)
{
    int index = 0;
    char string[length(to_find)];
    while (str[index] != '\0')
    {
        if ((str[index] - to_find[index]) == 0 && index < length(to_find))
        {
            return to_find;
        }
        index++;
    }
}
int main() {
   printf("aaa %s\n", ft_strstr("needle in a haystack","haystack"));
    return 0;
}