C     CCLBAK.INC 9/30/94
C
C     This COMMON block is used by Callback utility routines.
C
      COMMON /CCLBAK/ CBCHID,CBFLID,CBEXID
      INTEGER         CBCHID,CBFLID,CBEXID
C
      COMMON /CCLBAC/ CLBSTR
      CHARACTER*1     CLBSTR(80)
C