diff --git a/c/bits.h b/c/bits.h
index e98f53c..322d2cb 100644
--- a/c/bits.h
+++ b/c/bits.h
@@ -38,9 +38,17 @@ typedef uint64_t u64;
 typedef uint32_t u32;
 typedef uint16_t u16;
 typedef uint8_t  u8;
+
+typedef unsigned long int ulong;
 typedef unsigned int uint;
+typedef unsigned short ushort;
 typedef unsigned char uchar;
 
+typedef signed long int slong;
+typedef signed int sint;
+typedef signed short sshort;
+typedef signed char schar;
+
 /* count trailing zeroes : 00101000 -> 3
  *                              ^^^
  */
diff --git a/c/list.h b/c/list.h
index 9003145..ec2fe09 100644
--- a/c/list.h
+++ b/c/list.h
@@ -993,4 +993,4 @@ static inline void hlist_move_list(struct hlist_head *old,
          pos && ({ n = pos->member.next; 1; });                         \
          pos = hlist_entry_safe(n, __typeof__(*pos), member))
 
-#endif
+#endif  /* __BR_LIST_H */