get_definition
while ((def = get_definition()) != NULL) {
while ((def = get_definition()) != NULL) {
while ((def = get_definition()) != NULL) {
while ((def = get_definition()) != NULL) {
while ((def = get_definition()) != NULL) {
while ((def = get_definition()) != NULL) {
while ((def = get_definition()) != NULL) {
definition *get_definition(void);