| struct node { | |
| struct node *next; | |
| int value; | |
| }; | |
| struct node *current_node, global_list; | |
| void | |
| bar (void) | |
| { | |
| struct node *node, *next; | |
| node = current_node; | |
| next = node->next; | |
| if (node != &global_list) | |
| current_node = next; | |
| else | |
| { | |
| node = global_list.next; | |
| global_list.value = node->value; | |
| global_list.next = node->next; | |
| } | |
| foo (node); | |
| } |