nulldev(9F) Kernel Functions for Drivers nulldev(9F) NAME nulldev - zero return function SYNOPSIS #include <sys/conf.h> #include <sys/ddi.h> int nulldev(); INTERFACE LEVEL Architecture independent level 1 (DDI/DKI). DESCRIPTION nulldev() returns 0. It is intended to be used in the cb_ops(9S) data structure of a device driver for device entry points that do nothing. RETURN VALUES nulldev() returns a 0. CONTEXT nulldev() can be called from any context. SEE ALSO nodev(9F), cb_ops(9S) Writing Device Drivers SunOS 5.10 11 Apr 1991 nulldev(9F)[top]
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