provides a type of connection to be
openend by RfcOpen.
This structure is defined in SAPRFC.H.
Use R/3 protocol and addressing scheme. Only for
R/3 Systems. Any kind of user-ID (dialog user-ID, cpic user-ID) is
connopt must point to a structure of type RFC_CONNOPT_R3ONLY.
Use R72 protocol and addressing scheme. Must be used for R/2, only
cpic user-IDs are allowed. Since an R73 System is also capable of
understanding the R/2 RFC protocol, you can also reach an R/3
System with that mode. However, you must use a ‘sideinfo’ file for
connopt must point to a structure of
Use R/3 protocol version 3. The receiving SAP System must have at
least Release 3.0C to be able to serve every kind of options.
connopt must point to a structure of type RFC_CONNOPT_VERSION_3.
Use R/3 protocol version 3 or R/2 protocol and addressing scheme.
This mode includes all three modes above and all necessary
parameters will be read from an INI-file (saprfc.ini). See The SAPRFC.INI File for more details.
In some cases the receiving SAP system must have at least Release
3.0C to be able to serve every kind of options.
destination must point to a valid entry in the saprfc.ini. This
file can be in the current directory where RFC programs are running
or it must be defined by the environment variable RFC_INI (e.g. in
connopt must be set to NULL.