head 478 gc/gcc_support.c QueueElem* head = q->next; head 481 gc/gcc_support.c q->next = head->next; head 482 gc/gcc_support.c head->next = q;} head 489 gc/gcc_support.c QueueElem* head = (QueueElem*) h; head 504 gc/gcc_support.c QueueElem* head = (QueueElem*) h; head 505 gc/gcc_support.c QueueElem* q = head->next; head 510 gc/gcc_support.c head->next = q->next;