First commitHEADmain

1 files changed, 35 insertions, 0 deletions

diff --git a/lib/ft_memcmp.c b/lib/ft_memcmp.c
new file mode 100644
index 0000000..0993493
--- /dev/null
+++ b/lib/ft_memcmp.c
@@ -0,0 +1,35 @@
+/*
+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"
+
+int	ft_memcmp(const void *s1, const void *s2, size_t n)
+{
+	unsigned char	*cs1;
+	unsigned char	*cs2;
+	size_t			i;
+
+	cs1 = (unsigned char *)s1;
+	cs2 = (unsigned char *)s2;
+	i = 0;
+	if (n == 0)
+		return (0);
+	while (i < n - 1 && cs1[i] == cs2[i])
+		i++;
+	return (cs1[i] - cs2[i]);
+}
+