Specifications
System Macros Invoked by Drivers
CLASS_CTRL_INIT
CLASS_CTRL_INIT
Generates the common code that must be executed by the controller initialization
routine of all terminal port drivers.
Format
CLASS_CTRL_INIT dpt, vector
Parameters
dpt
Symbolic name of the port driver’s driver prologue table.
vector
Address of the port driver vector table.
Description
A terminal port driver’s controller initialization routine invokes the CLASS_
CTRL_INIT macro to relocate the class and port driver vector tables and perform
other required initialization.
To use the CLASS_CTRL_INIT macro, the driver must include an invocation of
the $TTYMACS definition macro (from SYS$LIBRARY:LIB.MLB).
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