<s>
Common	B-Architecture
Programming	I-Architecture
Interface	I-Architecture
for	I-Architecture
Communications	I-Architecture
(	O
CPI-C	B-Architecture
)	O
is	O
an	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
developed	O
by	O
IBM	O
in	O
1987	O
to	O
provide	O
a	O
platform-independent	B-Operating_System
communications	O
interface	O
for	O
the	O
IBM	O
Systems	O
Application	O
Architecture-based	O
network	O
,	O
and	O
to	O
standardise	O
programming	O
access	O
to	O
SNA	B-Protocol
LU	I-Protocol
6.2	I-Protocol
.	O
</s>
<s>
CPI-C	B-Architecture
was	O
part	O
of	O
IBM	B-Device
Systems	I-Device
Application	I-Device
Architecture	I-Device
(	O
SAA	O
)	O
,	O
an	O
attempt	O
to	O
standardise	O
APIs	B-Application
across	O
all	O
IBM	O
platforms	O
.	O
</s>
<s>
It	O
was	O
adopted	O
in	O
1992	O
by	O
X/Open	O
as	O
an	O
open	O
systems	O
standard	O
,	O
identified	O
as	O
standard	O
C210	O
,	O
and	O
documented	O
in	O
X/Open	O
Developers	O
Specification	O
:	O
CPI-C	B-Architecture
.	O
</s>
