+@item expr_int_format, eif
+Evaluate the expression's value and output as formatted integer.
+
+First argument is expression to be evaluated, same as for @var{expr} function.
+Second argument specifies output format. Allowed values are 'x', 'X', 'd' and
+'u', they are treated exactly as in printf function.
+Third parameter is optional and sets the number of positions taken by output.
+Effectively this allows to add padding with zeros from the left.
+