Int 7C Fn 000C  - Sk-upps Data Link Interface API - Get Protocol Status    [N]

   AX = 000Ch
   BX = protocol ID (see AX=000Bh)
   ES:DI -> Protocol Status Block (see below)

Return: AX = completion code (see AX=0001h)

See Also: AX=000Bh,AX=0014h

Format of Protocol Status Block (PSB):
Offset Size    Description
 00h   DWORD   -> ASCIZ protocol name
 04h   WORD    protocol mode (see AX=0007h)
 06h   WORD    protocol type (see AX=0007h)
 08h   WORD    number of registered multicasts (see AX=0009h, AX=0014h)