var/external/bufr/ireadsb.f

   1       FUNCTION IREADSB(LUNIT)
   2
   3 C$$$  SUBPROGRAM DOCUMENTATION BLOCK
   4 C
   5 C SUBPROGRAM:    IREADSB
   6 C   PRGMMR: WOOLLEN          ORG: NP20       DATE: 1994-01-06
   7 C
   8 C ABSTRACT: THIS FUNCTION CALLS BUFR ARCHIVE LIBRARY SUBROUTINE READSB
   9 C   AND PASSES BACK ITS RETURN CODE.  SEE READSB FOR MORE DETAILS.
  10 C
  11 C PROGRAM HISTORY LOG:
  12 C 1994-01-06  J. WOOLLEN -- ORIGINAL AUTHOR (ENTRY POINT IN IREADMG)
  13 C 2002-05-14  J. WOOLLEN -- CHANGED FROM AN ENTRY POINT TO INCREASE
  14 C                           PORTABILITY TO OTHER PLATFORMS
  15 C 2003-11-04  S. BENDER  -- ADDED REMARKS/BUFRLIB ROUTINE
  16 C                           INTERDEPENDENCIES
  17 C 2003-11-04  D. KEYSER  -- UNIFIED/PORTABLE FOR WRF; ADDED
  18 C                           DOCUMENTATION (INCLUDING HISTORY)
  19 C
  20 C USAGE:    IREADSB (LUNIT)
  21 C   INPUT ARGUMENT LIST:
  22 C     LUNIT    - INTEGER: FORTRAN LOGICAL UNIT NUMBER FOR BUFR FILE
  23 C
  24 C   OUTPUT ARGUMENT LIST:
  25 C     IREADSB  - INTEGER: RETURN CODE:
  26 C                       0 = normal return
  27 C                      -1 = there are no more subsets in the BUFR
  28 C                           message
  29 C
  30 C REMARKS:
  31 C    THIS ROUTINE CALLS:        READSB
  32 C    THIS ROUTINE IS CALLED BY: UFBTAB
  33 C                               Also called by application programs.
  34 C
  35 C ATTRIBUTES:
  36 C   LANGUAGE: FORTRAN 77
  37 C   MACHINE:  PORTABLE TO ALL PLATFORMS
  38 C
  39 C$$$
  40
  41       CALL READSB(LUNIT,IRET)
  42       IREADSB = IRET
  43       RETURN
  44       END