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

.. _gfortran_stderr_unit:

GFORTRAN_STDERR_UNIT---Unit number for standard error
*****************************************************

This environment variable can be used to select the unit number
preconnected to standard error.  This must be a positive integer.
The default value is 0.