1
2C*GRTTER -- test whether device is user's terminal (VMS)
3C+
4      SUBROUTINE GRTTER(STRING, SAME)
5      CHARACTER*(*) STRING
6      LOGICAL SAME
7C
8C Return a logical flag indicating whether the supplied device
9C name is a name for the user's controlling terminal or not.
10C (Some PGPLOT programs wish to take special action if they are
11C plotting on the user's terminal.)
12C
13C Arguments:
14C  STRING : (input) the device name to be tested.
15C  SAME   : (output) .TRUE. is STRING contains a valid name for the
16C           user's terminal; .FALSE. otherwise.
17C--
18C 9-Feb-1988
19C-----------------------------------------------------------------------
20      INTEGER LIB$GETDVI
21      INTEGER IER1, IER2, L1, L2
22      CHARACTER*255 DEV1, DEV2
23      EXTERNAL DVI$_FULLDEVNAM
24C
25      IER1 = LIB$GETDVI(%LOC(DVI$_FULLDEVNAM), , STRING, ,
26     1                  DEV1, L1)
27      IER2 = LIB$GETDVI(%LOC(DVI$_FULLDEVNAM), , 'TT:', ,
28     1                  DEV2, L2)
29      SAME = (IER1.EQ.1) .AND. (IER2.EQ.1) .AND.
30     1       (L1.EQ.L2) .AND. (DEV1(:L1).EQ.DEV2(:L2))
31      END
32