trq_first_msg()#
Retrieves the first message in the queue associated with the given tr_queue instance.
Prototype
q_msg trq_first_msg(
tr_queue trq
);
Parameters
Key |
Type |
Description |
|---|---|---|
|
|
The queue instance from which to retrieve the first message. |
Return Value
A q_msg handle to the first message in the queue, or NULL if the queue is empty.
Notes
Use trq_next_msg() to iterate through subsequent messages in the queue.
Prototype
// Not applicable in JS
Prototype
# Not applicable in Python
Examples
// TODO C examples
// TODO JS examples
# TODO Python examples