std library function almost done, tested with libft-unit-tests

1 files changed, 15 insertions, 0 deletions

diff --git a/ft_strncmp.c b/ft_strncmp.c
new file mode 100644
index 0000000..0f24a1e
--- /dev/null
+++ b/ft_strncmp.c
@@ -0,0 +1,15 @@
+#include <string.h>
+
+int ft_strncmp(const char *s1, const char *s2, size_t n)
+{
+	size_t  i;
+
+	if (n == 0)
+		return (0);
+	i = 0;
+	while (s1[i] == s2[i] && s1[i] && s2[i] && i < n)
+		i++;
+	if (i == n)
+		i--;
+	return ((unsigned char)s1[i] - (unsigned char)s2[i]);
+}