INT 21 - Novell NetWare - FILE SERVER - GET CONNECTION'S SEMAPHORES
        AH = E3h subfn E1h
        DS:SI -> request buffer (see below)
        ES:DI -> reply buffer (see below)
Return: AL = status
            00h successful
            C6h no console rights
Notes:  this function is supported by Advanced NetWare 2.1+
        the calling workstation must have console operator privileges
SeeAlso: AH=E3h/SF=DBh,AH=E3h/SF=DFh,AH=E3h/SF=E2h

Format of request buffer:
Offset  Size    Description
 00h    WORD    0005h (length of following data)
 02h    BYTE    E1h (subfunction "Get Connection's Semaphores")
 03h    WORD    logical connection number (big-endian)
 05h    WORD    last record seen (big-endian)
                0000h on first call

Format of reply buffer:
Offset  Size    Description
 00h    WORD    (call) size of following results record (max 1FEh)
 02h    WORD    next request record (place in "last record" field on next call)
 04h    BYTE    number of records following
 05h    Semaphore Information Records [array]
        Offset  Size    Description
         00h    WORD    open count (big-endian)
         02h    BYTE    semaphore value (-128 to 127)
         03h    BYTE    task number
         04h    BYTE    lock type
         05h    BYTE    length of semaphore's name
         06h  N BYTEs   semaphore's name
             14 BYTEs   filename