C
C
C
C            COPYRIGHT (c) 1977 BY
C    DIGITAL EQUIPMENT CORPORTATION, MAYNARD, MASS.
C   
C  THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
C  ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
C  INCLUSION OF THE  ABOVE COPYRIGHT NOTICE.  THIS  SOFTWARE OR ANY OTHER
C  COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE  MADE AVAILABLE TO ANY
C  OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
C  TRANSFERRED.
C 
C  THE INFORMATION IN THIS  SOFTWARE IS SUBJECT TO CHANGE  WITHOUT NOTICE
C  AND  SHOULD  NOT  BE  CONSTRUED AS A COMMITMENT BY  DIGITAL  EQUIPMENT
C  CORPORATION.
C 
C  DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
C  SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
C 
C 
C 
C
C
C
C
C
C   ++++++++++++++++++++++++++++++++++++++++++++++++++
C   +                                                +
C   +            CALC    VERSION  X01-01             +
C   +                                                +
C   +  PETER BAUM  1-SEP-77                          +
C   +  DIGITAL EQUIPMENT CORPORATION                 +
C   +  146 MAIN STREET                               +
C   +  MAYNARD, MASSACHUSETTS  01754                 +
C   +                                                +
C   ++++++++++++++++++++++++++++++++++++++++++++++++++
C
C
C
C
C
C **************************************************
C *                                                *
C *         SUBROUTINE GETNNB(IPT,RETCD)           *
C *                                                *
C **************************************************
C
C
C  GET NEXT NON-BLANK ELEMENT FROM LINE STARTING AT NONBLK+1
C
C  RETCD =  1   O.K.
C	    2   NO NON-BLANK FOUND
C
C  IPT POINTS TO POSITION IN LINE WHERE NEXT NON-BLANK IS FOUND.
C  IT IS UP TO CALLING PROGRAM TO RESET NONBLK FOR NEXT SCAN.
C
C
C
C
C
C
C
C GETNNB IS CALLED BY 
C
C AT
C BASCNG
C CMND
C NEXTEL
C STRCMP
C
C
C  MODIFICATION CLASSES: M2
C
C
C
C
C   VARIABLE    USE
C
C    BLANK      ' '
C    IPT        RETURNS POSITION OF NEXT NON-BLANK.
C    K          HOLDS TEMPORARY VALUES.
C    LEND       LAST NON-BLANK IN LINE(80).
C    NONBLK     HOLDS CHARACTER TO LEFT OF THE START OF THE SCAN.
C    RETCD      HOLDS THE RETURN CODE. 1=O.K.  2=THE REST IS BLANKS.
C
C
C
C
	SUBROUTINE GETNNB(IPT,RETCD)
C
C
C
	INTEGER*2 LEVEL,NONBLK,LEND
	INTEGER*2 VIEWSW,BASED,BASE,RETCD
	INTEGER*2 K
C
	LOGICAL*1 LINE(80),ALPHA(27),COMMA,BLANK,RPAR,LPAR,EQ
C
	COMMON LEVEL,LINE,NONBLK,LEND,VIEWSW,BASED
	COMMON /CONS/ ALPHA,COMMA,BLANK,RPAR,LPAR,EQ
C
	RETCD=1
	IF (NONBLK.GE.LEND) GOTO 999
C
C AT LEAST 1 NON-BLANK EXISTS.
	K=NONBLK+1
	DO 10 IPT=K,LEND
	IF (LINE(IPT).NE.BLANK) GOTO 1000
10	CONTINUE
C
C
C ACTUALLY, SHOULD NEVER FALL THROUGH IF 'LEND' IS SET CORRECTLY.
C
C
C THE REST ARE BLANKS
999	RETCD=2
1000	RETURN
	END
