INT 21 - FLU_SHOT+ v1.83 - INSTALLATION CHECK
AX = FF0Fh
Return: AX = 0101h if resident
Notes:  FLU_SHOT+ is an antivirus/antitrojan program by Ross M. Greenberg and
Software Concepts Design
the "PSQR/1720" virus calls this function to determine whether
FLU_SHOT+ is present
SeeAlso: AX=FF10h

See also: 21FF

21FF0F - FLU_SHOT+ v1.83 - INSTALLATION CHECK