bsd man page for nodev

nodev(9F)						   Kernel Functions for Drivers 						 nodev(9F)

NAME

       nodev - error return function

SYNOPSIS

       #include <sys/conf.h>
       #include <sys/ddi.h>

       int nodev();

INTERFACE LEVEL

       Architecture independent level 1 (DDI/DKI).

DESCRIPTION

       nodev() returns	ENXIO. It is intended to be used in the cb_ops(9S) data structure of a device driver for device entry points which are not
       supported by the driver. That is, it is an error to attempt to call such an entry point.

RETURN VALUES

       nodev() returns ENXIO.

CONTEXT

       nodev() can be only called from user context.

SEE ALSO

       nulldev(9F), cb_ops(9S)

       Writing Device Drivers

SunOS 5.10							    27 Jan 1993 							 nodev(9F)