# xgetun.f

          SUBROUTINE XGETUN (IUNIT)
    C***BEGIN PROLOGUE  XGETUN
    C***PURPOSE  Return the (first) output file to which error messages
    C            are being sent.
    C***LIBRARY   SLATEC (XERROR)
    C***CATEGORY  R3C
    C***TYPE      ALL (XGETUN-A)
    C***KEYWORDS  ERROR, XERROR
    C***AUTHOR  Jones, R. E., (SNLA)
    C***DESCRIPTION
    C
    C     Abstract
    C        XGETUN gets the (first) output file to which error messages
    C        are being sent.  To find out if more than one file is being
    C        used, one must use the XGETUA routine.
    C
    C     Description of Parameter
    C      --Output--
    C        IUNIT - the logical unit number of the  (first) unit to
    C                which error messages are being sent.
    C                A value of zero means that the default file, as
    C                defined by the I1MACH routine, is being used.
    C
    C***REFERENCES  R. E. Jones and D. K. Kahaner, XERROR, the SLATEC
    C                 Error-handling Package, SAND82-0800, Sandia
    C                 Laboratories, 1982.
    C***ROUTINES CALLED  J4SAVE
    C***REVISION HISTORY  (YYMMDD)
    C   790801  DATE WRITTEN
    C   861211  REVISION DATE from Version 3.2
    C   891214  Prologue converted to Version 4.0 format.  (BAB)
    C   920501  Reformatted the REFERENCES section.  (WRB)
    C***END PROLOGUE  XGETUN