Index: uspace/lib/c/arch/amd64/include/types.h
===================================================================
--- uspace/lib/c/arch/amd64/include/types.h	(revision 5baf2091c9d0ccfd0e7f817add7719093b215010)
+++ uspace/lib/c/arch/amd64/include/types.h	(revision c62f2d0b67269b065b7ba128b6de649871b0be11)
@@ -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;