+/* Wire types. Library user needs these only in encoder callbacks. */
+typedef enum {
+ PB_WT_VARINT = 0,
+ PB_WT_64BIT = 1,
+ PB_WT_STRING = 2,
+ PB_WT_32BIT = 5
+} pb_wire_type_t;
+
+/* These macros are used to declare pb_field_t's in the constant array. */
+#define pb_membersize(st, m) (sizeof ((st*)0)->m)
+#define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0]))
+#define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2))
+#define pb_delta_end(st, m1, m2) (offsetof(st, m1) - offsetof(st, m2) - pb_membersize(st, m2))
+#define PB_LAST_FIELD {0,0,0,0}
+
+
+#endif