_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.