====== Library prototypes  ======

<code st-iec>
NAMESPACE Lib NAMESPACE Core NAMESPACE V1_0

TYPE 
   CoreIOPinSettings : STRUCT
      Visible : BOOL;
 END_STRUCT;

 MultiIoReal : ARRAY[1..16] OF REAL;
 MultiIoInt  : ARRAY[1..16] OF INT;
  MultiIoLint : ARRAY[1..16] OF LINT;
 MultiIoBool : ARRAY[1..16] OF BOOL;
 MultiIoBool8 : ARRAY[1..8] OF BOOL;
 
    ShortIoBool : ARRAY[0..7] OF BOOL;
  LargeIoBool : ARRAY[0..63] OF BOOL;
 
    ControllerType : (Heating, Cooling);
    Bit32 : SINT(1..32);
END_TYPE
    
VAR_GLOBAL
  MultiIoCount : SINT := 16;
  
    FIRST_IO_INDEX : INT := 1;
  LAST_IO_INDEX  : INT := 16;
 
    EPSILON        : REAL := 0.000001;
  C_Pi           : REAL := 3.141592;
  C_E            : REAL := 2.718281;
END_VAR

END_NAMESPACE END_NAMESPACE END_NAMESPACE
</code>

===== Data types  =====

<code st-iec>
IO.COMMHANDLE - This is a data type that functions use for communication over TCP, UDP, and serial line.
</code>

===== Headline =====
  * Since version 2.4.0.x, the en and eno variables are not visible in the created libraries.