1 files changed, 21 insertions, 0 deletions
diff --git a/libkern/strncmp.c b/libkern/strncmp.c
new file mode 100644
index 00000000..ef926489
--- /dev/null
+++ b/libkern/strncmp.c
@@ -0,0 +1,21 @@
+#include <lib9.h>
+
+int
+strncmp(char *s1, char *s2, long n)
+{
+	unsigned c1, c2;
+
+	while(n > 0) {
+		c1 = *s1++;
+		c2 = *s2++;
+		n--;
+		if(c1 != c2) {
+			if(c1 > c2)
+				return 1;
+			return -1;
+		}
+		if(c1 == 0)
+			break;
+	}
+	return 0;
+}