Common Programming Interface for Communications (CPI-C) is an application programming interface

Application programming interface

An application programming interface is a source code based specification intended to be used as an interface by software components to communicate with each other...

 developed by IBM

IBM

International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

 in 1987 to provide a platform-independent communications interface for the IBM Systems Application Architecture based network, and standardising programming access to SNA LU 6.2.

It was adopted in 1992 by X/Open

X/Open

X/Open Company, Ltd. was a consortium founded by several European UNIX systems manufacturers in 1984 to identify and promote open standards in the field of information technology. More specifically, the original aim was to define a single specification for operating systems derived from UNIX, to...

 as an open systems standard, identified as standard C210, and documented in X/Open Developers Specification: CPI-C.

External links

• CPIC Reference Manual
• Communications Basis CPI-C, SAP AG
  SAP AG
  SAP AG is a German software corporation that makes enterprise software to manage business operations and customer relations. Headquartered in Walldorf, Baden-Württemberg, with regional offices around the world, SAP is the market leader in enterprise application software...
  
  
• CPI-C for MVS
  MVS
  Multiple Virtual Storage, more commonly called MVS, was the most commonly used operating system on the System/370 and System/390 IBM mainframe computers...
  
  
• Chapter 21. Using CPIC-C for Java, IBM SecureWay Communications Server
• What is CPIC? What is APPC? What's the difference?, LANSA
• Programming with the CPI-C API, John Lyons, 31 May 1997