Returns the value of the specified field as null-terminated string. The charBuffer will be filled by string representation. In case the buffer is too small e.g. no place for string termination, the function will return RFC_BUFFER_TOO_SMALL.
Supported field types:
RFCTYPE_CHAR
RFCTYPE_STRING
RFCTYPE_NUM
RFCTYPE_DATE
RFCTYPE_TIME
RFCTYPE_INTx
RFCTYPE_FLOAT
RFCTYPE_BCD
RFCTYPE_DECFxx
RFC_RC SAP_API RfcGetString (DATA_CONTAINER_HANDLE dataHandle, SAP_UC const* name, SAP_UC *stringBuffer, unsigned bufferLength, unsigned* stringLength, RFC_ERROR_INFO* info);