_VCOMM_Register_Port_Driver


include vcomm.inc

VxDcall _VCOMM_Register_Port_Driver, <OFFSET32 DriverControl>
or      eax, eax
jz      error_handler

Registers a port driver VxD. Uses the C calling convention.

DriverControl

Address of the port driver's DriverControl function. VCOMM calls this function to initialize a port.