C*ERROR -- print error message on stdout, and abort [Convex-UNIX]
C+
      SUBROUTINE ERROR(STRING)
      CHARACTER*(*) STRING
C
C This subroutine prints its argument (a character string) on the 
C standard output, prefixed with '++ERROR++', and then terminates 
C execution of the program, returning an error status to its parent
C (shell or command interpreter).
C
C Argument:
C  STRING (input)  : text of message
C
C Subroutines required:
C  EXIT
C  PUTOUT
C
C History:
C  1987 Apr 8 - TJP.
C  1996 May 31 - RCW.  Deal with f2c reluctance to concatenate strings
C                      declared with *(*).
C
      INTEGER        LEN1
      CHARACTER*133  MSG
C-----------------------------------------------------------------------
      MSG = STRING
      CALL PUTOUT('+++ERROR+++ '//MSG(1:LEN1(MSG)) )
      CALL EXIT(1)
C
      END