Index: uspace/lib/c/include/sys/types.h
===================================================================
--- uspace/lib/c/include/sys/types.h	(revision 3e6a98c595287c43d200d28d97f57755342be117)
+++ uspace/lib/c/include/sys/types.h	(revision d2b66d44598fdab0390179f98a5859727b100bec)
@@ -50,4 +50,12 @@
 typedef volatile uint32_t ioport32_t;
 
+typedef int16_t unaligned_int16_t __attribute__ ((aligned(1)));
+typedef int32_t unaligned_int32_t __attribute__ ((aligned(1)));
+typedef int64_t unaligned_int64_t __attribute__ ((aligned(1)));
+
+typedef uint16_t unaligned_uint16_t __attribute__ ((aligned(1)));
+typedef uint32_t unaligned_uint32_t __attribute__ ((aligned(1)));
+typedef uint64_t unaligned_uint64_t __attribute__ ((aligned(1)));
+
 #endif