..
  Copyright 1988-2022 Free Software Foundation, Inc.
  This is part of the GCC manual.
  For copying conditions, see the copyright.rst file.

.. index:: LNBLNK, string, find non-blank character

.. _lnblnk:

LNBLNK --- Index of the last non-blank character in a string
************************************************************

.. function:: LNBLNK(STRING)

  Returns the length of a character string, ignoring any trailing blanks.
  This is identical to the standard ``LEN_TRIM`` intrinsic, and is only
  included for backwards compatibility.

  :param STRING:
    Shall be a scalar of type ``CHARACTER``,
    with ``INTENT(IN)``

  :return:
    The return value is of ``INTEGER(kind=4)`` type.

  Standard:
    GNU extension

  Class:
    Elemental function

  Syntax:
    .. code-block:: fortran

      RESULT = LNBLNK(STRING)

  See also:
    :ref:`index-intrinsic`,
    :ref:`LEN_TRIM`