Call DLL in a cobol program

I need write a program can use tapi32.dll.

I use acucobol compiler.

my problem is understand how transform code in cobol.

I call Tapi32.dll.

:          SET ENVIRONMENT "DLL_CONVENTION" TO "1"

:          CALL "TapI32.dll"

:                ON EXCEPTION

:                   DISPLAY MESSAGE BOX

:                   "Message: Tapi32.dll not found"

:                   SET ENVIRONMENT "DLL_CONVENTION" TO "0"

:          END-CALL.

and now i had to call for example "lineInitialize" function

ex.

LONG lineInitialize(

 LPHLINEAPP lphLineApp,

 HINSTANCE hInstance,

 LINECALLBACK lpfnCallback,

 LPCWSTR lpszAppName,

 LPDWORD lpdwNumDevs

);

Anyone can help me?