diff --git a/lib/libc/string/bcmp.c b/lib/libc/string/bcmp.c
--- a/lib/libc/string/bcmp.c
+++ b/lib/libc/string/bcmp.c
@@ -51,7 +51,7 @@
 	p2 = (char *)b2;
 	do
 		if (*p1++ != *p2++)
-			break;
+			return (1);
 	while (--length);
-	return (length);
+	return (0);
 }