ober_get_boolean
if (ober_get_boolean(ber, d) == -1)
int ober_get_boolean(struct ber_element *, int *);
if (ober_get_boolean(root, &d) == -1) {
if (ober_get_boolean(elm, &b) == -1) {
if (ober_get_boolean(root, &d) == -1) {
if (ober_get_boolean(root, &d) == -1) {
if (ober_get_boolean(root, &d) == -1) {