_VCOMM_Add_Port

include vcomm.inc

VxDCall _VCOMM_Add_Port, <ReferenceData, <OFFSET32 PortOpen>, \
    <OFFSET32 PortName>>
or     eax, eax
jz     error_handler
 

Registers a port. Uses the C calling convention.

ReferenceData
32-bit value that VCOMM passed to the port driver's DriverControl function.
PortOpen
Address of the port driver's PortOpen function.
PortName
Address of a null-terminated string specifying the name of the port.