Int 7F Fn 07  - Alloy Ntnx, Mw386 - Get List Of Shared Drives              [N]

   AH = 07h

Return: ES:DI -> shared drive list (see below)

Note:  MW386 considers all fixed disks to be shared drives; only C and D will
     be returned as shared

Format of shared drive list:
Offset Size    Description
 00h   BYTE    string length
 01h   BYTE    number of shared drives
 02h  N BYTEs  one byte per shared drive