Returns a code indicating whether the SHARE.EXE file-sharing module has been loaded.
Call with:
AH = 10H
AL = subfunction
00H = Get Installed State
Returns:
If function successful
Carry flag = clear
AL = SHARE installed status
00H if not installed, ok to install
01H if not installed, not ok to install
FFH if installed
If function unsuccessful
Carry flag = set
AX = error code