ober_dup
if ((new->be_next = ober_dup(orig->be_next)) == NULL)
if ((new->be_sub = ober_dup(orig->be_sub)) == NULL)
struct ber_element *ober_dup(struct ber_element *);
if ((msg->sm_varbindresp = ober_dup(trap->be_sub)) == NULL)