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Technical Reference: Communications, Volume 2

RD Utility

Purpose

Gets the pointer to the read queue.

Syntax


#define RD( q) ((q)-1)

Description

The RD utility accepts a write-queue pointer, specified by the q parameter, as an argument and returns a pointer to the read queue for the same module.

This utility is part of STREAMS Kernel Extensions.

Parameters

q Specifies the write queue.

Related Information

The OTHERQ utility, WR utility.

List of Streams Programming References and Understanding STREAMS Messages in AIX 5L Version 5.2 Communications Programming Concepts.

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