Pops data from the queue. If the queue is empty, blocks for timeout microseconds, or until data becomes available. If no data is received before the timeout, NULL is returned.
the number of microseconds to wait
data from the queue or NULL, when no data is received before the timeout.
See Implementation
Pops data from the queue. If the queue is empty, blocks for timeout microseconds, or until data becomes available. If no data is received before the timeout, NULL is returned.