Index: kernel/arch/amd64/include/memstr.h
===================================================================
--- kernel/arch/amd64/include/memstr.h	(revision 82474ef569903ac99835ea373081f03a5195c413)
+++ kernel/arch/amd64/include/memstr.h	(revision 0eda6e092bb349f2c4f1d222bbc6b02aaa4c82e1)
@@ -27,5 +27,5 @@
  */
 
-/** @addtogroup amd64	
+/** @addtogroup amd64
  * @{
  */
@@ -38,8 +38,6 @@
 #define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
 
-extern void memsetw(void *dst, size_t cnt, uint16_t x);
-extern void memsetb(void *dst, size_t cnt, uint8_t x);
-
-extern int memcmp(const void *a, const void *b, size_t cnt);
+extern void memsetw(void *, size_t, uint16_t);
+extern void memsetb(void *, size_t, uint8_t);
 
 #endif