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Annotation of 43BSDTahoe/usr.lib/libln/reject.c, revision 1.1

1.1     ! root        1: /*     @(#)reject.c    4.2     12/21/87        */
        !             2: 
        !             3: # include <stdio.h>
        !             4: extern FILE *yyout, *yyin;
        !             5: extern int yyprevious , *yyfnd;
        !             6: extern char yyextra[];
        !             7: extern char yytext[];
        !             8: extern int yyleng;
        !             9: extern struct {int *yyaa, *yybb; int *yystops;} *yylstate [], **yylsp, **yyolsp;
        !            10: 
        !            11: yyreject ()
        !            12: {
        !            13: for( ; yylsp < yyolsp; yylsp++)
        !            14:        yytext[yyleng++] = yyinput();
        !            15: if (*yyfnd > 0)
        !            16:        return(yyracc(*yyfnd++));
        !            17: while (yylsp-- > yylstate)
        !            18:        {
        !            19:        yyunput(yytext[yyleng-1]);
        !            20:        yytext[--yyleng] = 0;
        !            21:        if (*yylsp != 0 && (yyfnd= (*yylsp)->yystops) && *yyfnd > 0)
        !            22:                return(yyracc(*yyfnd++));
        !            23:        }
        !            24: if (yytext[0] == 0)
        !            25:        return(0);
        !            26: yyoutput(yyprevious = yyinput());
        !            27: yyleng=0;
        !            28: return(-1);
        !            29: }
        !            30: yyracc(m)
        !            31: {
        !            32: yyolsp = yylsp;
        !            33: if (yyextra[m])
        !            34:        {
        !            35:        while (yyback((*yylsp)->yystops, -m) != 1 && yylsp>yylstate)
        !            36:                {
        !            37:                yylsp--;
        !            38:                yyunput(yytext[--yyleng]);
        !            39:                }
        !            40:        }
        !            41: yyprevious = yytext[yyleng-1];
        !            42: yytext[yyleng] = 0;
        !            43: return(m);
        !            44: }

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