INT 61 - Banyan VINES - SET UNIDENTIFIED INTERNAL FLAG AX = 0004h subfn 0018h DS:DX -> request block (see #03425) Return: AX = status 0000h success Desc: Sets an unidentified BYTE variable in the redirector data segment to 1. Note: In the VINES 5.53 "REDIR4" redirector, this variable is located at DS:0B53.