Index: uspace/lib/c/arch/amd64/include/types.h
===================================================================
--- uspace/lib/c/arch/amd64/include/types.h	(revision 96b02eb9b2f96f3843b8275c254c43a9cb6c8c88)
+++ uspace/lib/c/arch/amd64/include/types.h	(revision 98a0fd335e1aad46a0ff2dd9402f2ee048ebecf7)
@@ -51,4 +51,5 @@
 typedef uint64_t size_t;
 
+typedef int64_t intptr_t;
 typedef uint64_t uintptr_t;
 typedef uint64_t atomic_count_t;