cindex --
return character indexed by given expression from string
Syntax
cindexstring indexExpr
Description
Returns the character indexed by the expression
indexExpr (zero based) from string.
If the expression indexExpr starts with the
string ``end'', then ``end'' is replaced with
the index of the last character in the string. If the
expression starts with ``len'', then ``len'' is
replaced with the length of the string.