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/*
Libft Copyright (C) 2026 yctct
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "libft.h"
char *ft_strnstr(const char *big, const char *little, size_t len)
{
unsigned long i;
int j;
if (ft_strlen(little) <= 0)
return ((char *)(big));
i = 0;
while (big[i] != '\0' && i < len)
{
if (big[i] == little[0])
{
j = 0;
while (big[i + j] == little[j] && little[j] && (i + j) < len)
j++;
if (little[j] == '\0')
return ((char *)(&big[i]));
}
i++;
}
return (NULL);
}
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