Function switch_queue_create 

pub unsafe extern "C" fn switch_queue_create(
    queue: *mut *mut switch_queue_t,
    queue_capacity: c_uint,
    pool: *mut switch_memory_pool_t,
) -> switch_status_t

create a FIFO queue @param queue The new queue @param queue_capacity maximum size of the queue @param pool a pool to allocate queue from