Find a device by canonical device number
struct pardevice * parport_open(int devnum, const char * name);
devnum
canonical device number
name
name to associate with the device
This function is similar to parport_register_device, except that it locates a device by its number rather than by the port it is attached to.
All parameters except for devnum are the same as for parport_register_device. The return value is the same as for parport_register_device.