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1 /*
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2 * Simple Regular Expression functions. Derived from Unix 7th Edition,
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3 * /usr/src/cmd/expr.y
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4 *
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5 * Modified by Gunnar Ritter, Freiburg i. Br., Germany, January 2003.
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6 *
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7 * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
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8 *
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9 * Redistribution and use in source and binary forms, with or without
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10 * modification, are permitted provided that the following conditions
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11 * are met:
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12 * Redistributions of source code and documentation must retain the
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13 * above copyright notice, this list of conditions and the following
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14 * disclaimer.
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15 * Redistributions in binary form must reproduce the above copyright
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16 * notice, this list of conditions and the following disclaimer in the
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17 * documentation and/or other materials provided with the distribution.
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18 * All advertising materials mentioning features or use of this software
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19 * must display the following acknowledgement:
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20 * This product includes software developed or owned by Caldera
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21 * International, Inc.
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22 * Neither the name of Caldera International, Inc. nor the names of
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23 * other contributors may be used to endorse or promote products
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24 * derived from this software without specific prior written permission.
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25 *
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26 * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
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27 * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
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28 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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29 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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30 * ARE DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE
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31 * LIABLE FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR
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32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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34 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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35 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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36 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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37 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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38 */
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39
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40 /* Sccsid @(#)regexpr.h 1.2 (gritter) 1/11/03 */
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41
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42 #define NBRA 9
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43
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44 extern char *braslist[NBRA];
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45 extern char *braelist[NBRA];
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46 extern int nbra;
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47 extern int regerrno, reglength;
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48 extern char *loc1, *loc2, *locs;
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49 extern int sed;
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50
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51 extern char *compile(const char *, char *, char *);
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52 extern int step(const char *, const char *);
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53 extern int advance(const char *, const char *);
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