--- Libc/Libc-763.13/arm/string/strcmp.s
+++ Libc/Libc-583/arm/string/strcmp.s
@@ -29,3 +29,16 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+	.text
+	.align 2
+	.globl _strcmp
+
+_strcmp:
+1:
+	ldrb	r2, [r0], #1
+	ldrb	r3, [r1], #1
+   	cmp		r2, #1
+   	cmpcs	r2, r3
+   	beq		1b
+   	sub		r0, r2, r3
+	bx		lr