Below is an example program showing how to use the GetDriveType function.
I hope it helps you.

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IDENTIFICATION DIVISION.

PROGRAM-ID. getdrivetype.

ENVIRONMENT DIVISION.

CONFIGURATION SECTION.

SPECIAL-NAMES.

    CRT STATUS IS CRT-STATUS

    SCREEN CONTROL IS SCREEN-CONTROL

    EVENT STATUS IS EVENT-STATUS.

/

WORKING-STORAGE SECTION.

01  RETURN-VALUE                USAGE UNSIGNED-LONG.

01  MY-DRIVE                    PIC X(255) VALUE SPACES.

01  CRT-STATUS                  PIC 9(5).

01  SCREEN-CONTROL.

    03  ACCEPT-CONTROL          PIC 9.

    03  CONTROL-VALUE           PIC 999.

    03  CONTROL-HANDLE          USAGE HANDLE.

    03  CONTROL-ID              PIC X(2) COMP-X.

01  EVENT-STATUS.

    03  EVENT-TYPE              PIC X(4) COMP-X.

    03  EVENT-WINDOW-HANDLE     USAGE HANDLE.

    03  EVENT-CONTROL-HANDLE    USAGE HANDLE.

    03  EVENT-CONTROL-ID        PIC X(2) COMP-X.

    03  EVENT-DATA-1            USAGE SIGNED-SHORT.

    03  EVENT-DATA-2            USAGE SIGNED-LONG.

    03  EVENT-ACTION            PIC X COMP-X.

PROCEDURE DIVISION.

MAINLINE SECTION.

    SET ENVIRONMENT "DLL-CONVENTION" TO 1.

    CALL "KERNEL32.DLL".

    MOVE "C:\\" TO MY-DRIVE.

    INSPECT MY-DRIVE REPLACING TRAILING SPACES BY NULLS.

    CALL "GetDriveTypeA" USING BY REFERENCE MY-DRIVE RETURNING RETURN-VALUE.

    IF RETURN-VALUE = 0

       DISPLAY MESSAGE BOX "The drive type cannot be determined."

         TITLE "Drive Unknown"

    END-IF.

    IF RETURN-VALUE = 1

       DISPLAY MESSAGE BOX "The root path is invalid; for example, there is "

         "no volume mounted at the specified path." TITLE "Drive No Root Dir"

    END-IF.

    IF RETURN-VALUE = 2

       DISPLAY MESSAGE BOX "The drive has removable media; for example, a "

         "floppy drive, thumb drive, or flash card reader."

         TITLE "Drive Removable"

    END-IF.

    IF RETURN-VALUE = 3

       DISPLAY MESSAGE BOX "The drive has fixed media; for example, a hard "

         "disk drive or flash drive." TITLE "Drive Fixed"

    END-IF.

    IF RETURN-VALUE = 4

       DISPLAY MESSAGE BOX "The drive is a remote (network) drive."

         TITLE "Drive Remote"

    END-IF.

    IF RETURN-VALUE = 5

       DISPLAY MESSAGE BOX "The drive is a CD-ROM drive."

         TITLE "Drive CD-ROM"

    END-IF.

    IF RETURN-VALUE = 6

       DISPLAY MESSAGE BOX "The drive is a RAM disk."

         TITLE "Drive RAM Disk"

    END-IF.

    CANCEL "KERNEL32.DLL".

ML20.

    EXIT PROGRAM.

ML30.

    STOP RUN.

that worked, thank you!