Kernel Functions for Drivers                            nodev(9F)



NAME
     nodev - error return function

SYNOPSIS
     #include 
     #include 



     int nodev();


INTERFACE LEVEL
     Architecture independent level 1 (DI/DKI).

DESCRIPTION
     nodev() returns  ENXIO. It is intended to  be  used  in  the
     cbops(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), cbops(9S)


     Writing Device Drivers























SunOS 5.11          Last change: 27 Jan 1993                    1