enum RFC_DIRECTION 

Use

Enumeration used for indicating the direction of a RFC function parameter. 

Structure

typedef enum _RFC_DIRECTION

{

   RFC_IN = 0x0001,  /* input parameter, corresponding to ABAP IMPORTING parameter */

   RFC_OUT= 0x0002,  /* output parameter, corresponding to ABAP EXPORTING parameter */

   RFC_INOUT = RFC_IN | RFC_OUT /* input and output parameters, this is corresponding to ABAP

                                    CHANGING or TABLES parameter */

}RFC_DIRECTION;