centos 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)