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  1. /*-
  2.  * Copyright (c) 1992 Henry Spencer.
  3.  * Copyright (c) 1992, 1993
  4.  *      The Regents of the University of California.  All rights reserved.
  5.  *
  6.  * This code is derived from software contributed to Berkeley by
  7.  * Henry Spencer of the University of Toronto.
  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.  * 1. Redistributions of source code must retain the above copyright
  13.  *    notice, this list of conditions and the following disclaimer.
  14.  * 2. Redistributions in binary form must reproduce the above copyright
  15.  *    notice, this list of conditions and the following disclaimer in the
  16.  *    documentation and/or other materials provided with the distribution.
  17.  * 4. Neither the name of the University nor the names of its contributors
  18.  *    may be used to endorse or promote products derived from this software
  19.  *    without specific prior written permission.
  20.  *
  21.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31.  * SUCH DAMAGE.
  32.  *
  33.  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
  34.  * $FreeBSD: src/include/regex.h,v 1.4 2002/03/23 17:24:53 imp Exp $
  35.  */
  36.  
  37. #ifndef _REGEX_H_
  38. #define _REGEX_H_
  39.  
  40. #include <sys/cdefs.h>
  41.  
  42. /* types */
  43. typedef off_t regoff_t;
  44.  
  45. typedef struct {
  46.         int re_magic;
  47.         size_t re_nsub;         /* number of parenthesized subexpressions */
  48.         __const char *re_endp;  /* end pointer for REG_PEND */
  49.         struct re_guts *re_g;   /* none of your business :-) */
  50. } regex_t;
  51.  
  52. typedef struct {
  53.         regoff_t rm_so;         /* start of match */
  54.         regoff_t rm_eo;         /* end of match */
  55. } regmatch_t;
  56.  
  57. /* regcomp() flags */
  58. #define REG_BASIC       0000
  59. #define REG_EXTENDED    0001
  60. #define REG_ICASE       0002
  61. #define REG_NOSUB       0004
  62. #define REG_NEWLINE     0010
  63. #define REG_NOSPEC      0020
  64. #define REG_PEND        0040
  65. #define REG_DUMP        0200
  66.  
  67. /* regerror() flags */
  68. #define REG_NOMATCH      1
  69. #define REG_BADPAT       2
  70. #define REG_ECOLLATE     3
  71. #define REG_ECTYPE       4
  72. #define REG_EESCAPE      5
  73. #define REG_ESUBREG      6
  74. #define REG_EBRACK       7
  75. #define REG_EPAREN       8
  76. #define REG_EBRACE       9
  77. #define REG_BADBR       10
  78. #define REG_ERANGE      11
  79. #define REG_ESPACE      12
  80. #define REG_BADRPT      13
  81. #define REG_EMPTY       14
  82. #define REG_ASSERT      15
  83. #define REG_INVARG      16
  84. #define REG_ATOI        255     /* convert name to number (!) */
  85. #define REG_ITOA        0400    /* convert number to name (!) */
  86.  
  87. /* regexec() flags */
  88. #define REG_NOTBOL      00001
  89. #define REG_NOTEOL      00002
  90. #define REG_STARTEND    00004
  91. #define REG_TRACE       00400   /* tracing of execution */
  92. #define REG_LARGE       01000   /* force large representation */
  93. #define REG_BACKR       02000   /* force use of backref code */
  94.  
  95. __BEGIN_DECLS
  96. int     regcomp(regex_t *__restrict, const char *__restrict, int);
  97. size_t  regerror(int, const regex_t *__restrict, char *__restrict, size_t);
  98. int     regexec(const regex_t *__restrict, const char *__restrict,
  99.                         size_t, regmatch_t [__restrict], int);
  100. void    regfree(regex_t *);
  101. __END_DECLS
  102.  
  103. #endif /* !_REGEX_H_ */
  104.