strLen (Function)

strLen will return the length (number of characters) of a string.

Input:

str : STRING

String that is to be extracted from.

Returns: INT

The number of characters in the str string.

Declaration:

FUNCTION strLen : INT;
VAR_INPUT
  str : STRING;
END_VAR;

Example:

INCLUDE rtcu.inc
 
VAR
  result : INT;
END_VAR;
 
PROGRAM test;
 
BEGIN
  ...
 result := strLen(str:="hello world");
  // result will contain 11 after the call
  ...
END;
 
END_PROGRAM;