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An IDoc consists of Control record (it contains the type of IDoc, port of the partner, release of SAP R/3 which produced the IDoc etc.); Data records of different types. The number and type of segments is mostly fixed for each IDoc type, but there is some flexibility (for example an SD order can have any number of items).
SAP NetWeaver Process Integration (SAP PI) is SAP's enterprise application integration (EAI) software, a component of the NetWeaver product group used to facilitate the exchange of information among a company's internal software and systems and those of external parties.
In Unix and other POSIX-compatible systems, the parent process can retrieve the exit status of a child process using the wait() family of system calls defined in wait.h. [10] Of these, the waitid() [ 11 ] call retrieves the full exit status, but the older wait() and waitpid() [ 12 ] calls retrieve only the least significant 8 bits of the exit ...