Int 21 Fn 716C  - Windows95 - Long Filename - Create Or Open File          [D]

   AX = 716Ch
   BX = access mode and sharing flags (see #1471,also AX=6C00h)
   CX = attributes
   DX = action (see #1470)
   DS:SI -> ASCIZ filename
   DI = alias hint (number to append to short filename for disambiguation)

Return: CF clear if successful
       AX = file handle
       CX = action taken
       0001h file opened
       0002h file created
       0003h file replaced
   CF set on error
       AX = error code (see #1366)
       7100h if function not supported

See Also: AX=6C00h,AX=7141h,AX=7156h,AX=71A9h

Bitfields for Windows95 long-name open action:
Bit(s) Description (Table 1470)
 0 open file (fail if file does not exist)
 1 truncate file if it already exists (fail if file does not exist)
 4 create new file if file does not already exist (fail if exists)

Note:  the only valid combinations of multiple flags are bits 4&0 and 4&1

Bitfields for Windows95 file access/sharing modes:
Bit(s) Description (Table 1471)
 2-0   file access mode
   000 read-only
   001 write-only
   010 read-write
   100 read-only, do not modify file's last-access time
 6-4   file sharing modes
 7 no-inherit flag
 8 do not buffer data (requires that all reads/writes be exact physical
     sectors)
 9 do not compress file even if volume normally compresses files
 10    use alias hint in DI as numeric tail for short-name alias
 12-11 unused??? (0)
 13    return error code instead of generating INT 24h if critical error
     while opening file
 14    commit file after every write operation

See Also: #1090