int cpack_uint32(struct cpack_state *, u_int32_t *);
int cpack_uint64(struct cpack_state *, u_int64_t *);
+u_int8_t *cpack_next_boundary(u_int8_t *buf, u_int8_t *p, size_t alignment);
+u_int8_t *cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize);
+
#define cpack_int8(__s, __p) cpack_uint8((__s), (u_int8_t*)(__p))
#define cpack_int16(__s, __p) cpack_uint16((__s), (u_int16_t*)(__p))
#define cpack_int32(__s, __p) cpack_uint32((__s), (u_int32_t*)(__p))