INT 21 u - LAN Manager Enhanced DOS - NetServerEnum2
        AX = 5F53h
        DS:SI -> NetServerEnum2 parameter structure (see below)
Return: CF clear if successful
            BX = entries read
            CX = total entries available
        CF set on error
            AX = error code
SeeAlso: AX=5F4Ch

Format of NetServerEnum2 parameter structure:
Offset  Size    Description
 00h    WORD    level (0000h or 0001h)
 02h    DWORD   -> buffer as array of server_info_??? structures
 06h    WORD    length of buffer
 08h    DWORD   server type bitmask (see below)
 0Ch    DWORD   -> Domain name (may be 0000h:0000h for all local domains)

Bitfields for server type:
 bit 0  workstation
 bit 1  server
 bit 2  SQL server
 bit 3  primary domain controller
 bit 4  backup domain controller
 bit 5  time server
 bit 6  Apple File Protocol (AFP) server
 bit 7  Novell server
 bit 8  Domain Member (v2.1+)
 bit 9  Print Queue server (v2.1+)
 bit 10 Dialin server (v2.1+)
 bit 11 Unix server (v2.1+)
Note:   set all bits (FFFFFFFFh) for All Types

Format of server_info_0 structure:
Offset  Size    Description
 00h 16 BYTEs   name

Format of server_info_1 structure:
Offset  Size    Description
 00h 16 BYTEs   name
 10h    BYTE    major version in lower nibble
 11h    BYTE    minor version
 12h    DWORD   server type (bits 0-11) (see above)
 16h    DWORD   -> comment string

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