Data Interfaces

CPI-C Functions for C Programs
CPI-C starter set calls CMINIT Initialize connection
CMALLC Set up connection
CMACCP Accept connection
CMRCV Receive data
CMSEND Send data
CMDEAL Close connection
CPI-C advanced function calls CMSPLN
(subset) CMSTPN
...
CPI-C SAP-specific functions SAP_CMINIT
SAP_CMLOGON
...
© SAP AG
The CPI-C starter set and other CPI-C function calls (advanced function calls (subset) and SAP-specific
functions) are available to the programming language C for external platforms (see the document "SAP
Supported Network Products").
The CPI-C starter set consists of the following calls:
CMINIT Initialize_Conversation Define communication parameters
CMALLC Allocate_Conversation Set up conversation
CMACCP Accept_Conversation Accept conversation
CMSEND Send Send data
CMRCV Receive Receive data
CMDEAL Deallocate_Conversation Close conversation