static void ref_tpbuf( rmr_mbuf_t* msg, size_t alen ) ;
static inline rmr_mbuf_t* clone_msg( rmr_mbuf_t* old_msg );
static rmr_mbuf_t* rcv_msg( uta_ctx_t* ctx, rmr_mbuf_t* old_msg );
static void ref_tpbuf( rmr_mbuf_t* msg, size_t alen ) ;
static inline rmr_mbuf_t* clone_msg( rmr_mbuf_t* old_msg );
static rmr_mbuf_t* rcv_msg( uta_ctx_t* ctx, rmr_mbuf_t* old_msg );