%external %routine %spec Connect File %alias "IMP_CONNECT_FILE" %c
   (%string(255) File, %integer Writeable,
    %integer %name Start Addr, Bytes Mapped)

%external %routine %spec Disconnect File %alias "IMP_DISCONNECT_FILE" %c
                                      ( %integer File Base Addr )

{values for Writeable}
%const %integer Read Only       = 0, {section not writeable}
                Read Write      = 1, {section writeable, file affected}
                Read Write Temp = 2  {changes do not affect file}

%end %of %file