__LSS__

__LSS__ is defined when Large String Support is enabled for the project. See Project: Settings.

Example:

INCLUDE rtcu.inc
 
PROGRAM test;
 
#IFDEF __LSS__ THEN
  DebugMsg(message := "Large String Support is enabled.");
#ELSE
  DebugMsg(message := "Large String Support is not enabled.");
#END_IF
 
END_PROGRAM;