Paho-C for OpenVMS Alpha and Integrity

This document covers the Paho-C for OpenVMS release based on the Paho-C 1.3.0 distribution. It includes:

• Introduction to MQTT: Explains the publish-subscribe messaging pattern and the Paho-C implementation.
• Release Notes: Details bug fixes, including fixes for high maxInflightMessages parameters and installation issues.
• Requirements: Lists necessary OpenVMS, TCP/IP, and C compiler versions.
• Installation Guide: Provides steps to install the software using the PCSI kit.
• Post-Installation: Details how to configure system start-up/shut-down procedures and defines relevant logical names for the synchronous and asynchronous APIs.
• Usage: Discusses privileges, quotas, and provides guidance for building sample applications.