1 /*

2 * Simple Regular Expression functions. Derived from Unix 7th Edition,

3 * /usr/src/cmd/expr.y

4 *

5 * Modified by Gunnar Ritter, Freiburg i. Br., Germany, January 2003.

6 *

7 * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.

8 *

9 * Redistribution and use in source and binary forms, with or without

10 * modification, are permitted provided that the following conditions

11 * are met:

12 * Redistributions of source code and documentation must retain the

13 * above copyright notice, this list of conditions and the following

14 * disclaimer.

15 * Redistributions in binary form must reproduce the above copyright

16 * notice, this list of conditions and the following disclaimer in the

17 * documentation and/or other materials provided with the distribution.

18 * All advertising materials mentioning features or use of this software

19 * must display the following acknowledgement:

20 * This product includes software developed or owned by Caldera

21 * International, Inc.

22 * Neither the name of Caldera International, Inc. nor the names of

23 * other contributors may be used to endorse or promote products

24 * derived from this software without specific prior written permission.

25 *

26 * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA

27 * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR

28 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

29 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

30 * ARE DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE

31 * LIABLE FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR

32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR

34 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

35 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE

36 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

37 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

38 */

39

40 /* Sccsid @(#)regexpr.h 1.2 (gritter) 1/11/03 */

41

42 #define NBRA 9

43

44 extern char *braslist[NBRA];

45 extern char *braelist[NBRA];

46 extern int nbra;

47 extern int regerrno, reglength;

48 extern char *loc1, *loc2, *locs;

49 extern int sed;

50

51 extern char *compile(const char *, char *, char *);

52 extern int step(const char *, const char *);

53 extern int advance(const char *, const char *);