Gets the pointer to the read queue.
#define RD(q) ((q)-1)
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.
|q||Specifies the write queue.|
This utility is part of STREAMS Kernel Extensions.
The OTHERQ utility, WR utility.
List of Streams Programming References and Understanding STREAMS Messages in AIX Version 4.3 Communications Programming Concepts.