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The RFC API allows you to call ABAP function modules from C programs as well as receiving call requests issued from an ABAP program by the CALL FUNCTION interface.

The RFC API consists of three main parts:

  • the include file saprfc.h

    This file contains data type and structure definitions as well as the prototypes (declarations) of the functions forming the API.

  • the include file sapitab.h

    This file defines an interface for manipulating ABAP internal tables.

  • the library librfc.a (librfc32.dll, etc)

    This library contains the functions of the API.