int queue_new( struct queue_state **qs, atom_t number_elements );
struct queue_state **qs
- The address of a pointer onto which the function allocates the state which represents this queue. The pointer is set to NULL if queue creation fails.
- The maximum number of elements which can be present in the queue. If not all elements could be allocated (malloc() fails), qeue creation fails.
Returns 1 on success and 0 on failure, with *qs being set to NULL on failure.
This function instantiates a queue.