#include #include "queue.h" int main ( ) { struct queue *q; q = init ( ); print (q); printf ("is a new queue empty? %s\n", isEmpty(q)?"yes":"no"); q = dequeue (q); print (q); printf ("is an almost-new queue empty? %s\n", isEmpty(q)?"yes":"no"); q = enqueue (3, q); print (q); printf ("is a queue that contains 3 empty? %s\n", isEmpty(q)?"yes":"no"); q = enqueue (1, q); print (q); printf ("is a queue that contains 3 1 empty? %s\n", isEmpty(q)?"yes":"no"); q = enqueue (4, q); print (q); printf ("is a queue that contains 3 1 4 empty? %s\n", isEmpty(q)?"yes":"no"); q = enqueue (5, q); print (q); printf ("is a queue that contains 3 1 4 5 empty? %s\n", isEmpty(q)?"yes":"no"); q = dequeue (q); print (q); printf ("is a queue that contains 1 4 5 empty? %s\n", isEmpty(q)?"yes":"no"); q = dequeue (q); print (q); printf ("is a queue that contains 4 5 empty? %s\n", isEmpty(q)?"yes":"no"); q = dequeue (q); print (q); printf ("is a queue that contains 5 empty? %s\n", isEmpty(q)?"yes":"no"); q = dequeue (q); print (q); printf ("is an empty queue empty? %s\n", isEmpty(q)?"yes":"no"); return 0; }