/**************************************************       Perl-Compatible Regular Expressions      **************************************************/#ifndef _PCREPOSIX_H#define _PCREPOSIX_H/* This is the header for the POSIX wrapper interface to the PCRE Perl-Compatible Regular Expression library. It defines the things POSIX says shouldbe there. I hope.            Copyright (c) 1997-2004 University of Cambridge-----------------------------------------------------------------------------Redistribution and use in source and binary forms, with or withoutmodification, are permitted provided that the following conditions are met:    * Redistributions of source code must retain the above copyright notice,      this list of conditions and the following disclaimer.    * Redistributions in binary form must reproduce the above copyright      notice, this list of conditions and the following disclaimer in the      documentation and/or other materials provided with the distribution.    * Neither the name of the University of Cambridge nor the names of its      contributors may be used to endorse or promote products derived from      this software without specific prior written permission.THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THEIMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSEARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BELIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, ORCONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OFSUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESSINTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER INCONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF SUCH DAMAGE.-----------------------------------------------------------------------------*//* Have to include stdlib.h in order to ensure that size_t is defined. */#include <stdlib.h>/* Allow for C++ users */#ifdef __cplusplusextern "C" {#endif/* Options defined by POSIX. */#define REG_ICASE     0x01#define REG_NEWLINE   0x02#define REG_NOTBOL    0x04#define REG_NOTEOL    0x08/* These are not used by PCRE, but by defining them we make it easierto slot PCRE into existing programs that make POSIX calls. */#define REG_EXTENDED  0#define REG_NOSUB     0/* Error values. Not all these are relevant or used by the wrapper. */enum {  REG_ASSERT = 1,  /* internal error ? */  REG_BADBR,       /* invalid repeat counts in {} */  REG_BADPAT,      /* pattern error */  REG_BADRPT,      /* ? * + invalid */  REG_EBRACE,      /* unbalanced {} */  REG_EBRACK,      /* unbalanced [] */  REG_ECOLLATE,    /* collation error - not relevant */  REG_ECTYPE,      /* bad class */  REG_EESCAPE,     /* bad escape sequence */  REG_EMPTY,       /* empty expression */  REG_EPAREN,      /* unbalanced () */  REG_ERANGE,      /* bad range inside [] */  REG_ESIZE,       /* expression too big */  REG_ESPACE,      /* failed to get memory */  REG_ESUBREG,     /* bad back reference */  REG_INVARG,      /* bad argument */  REG_NOMATCH      /* match failed */};/* The structure representing a compiled regular expression. */typedef struct {  void *re_pcre;  size_t re_nsub;  size_t re_erroffset;} regex_t;/* The structure in which a captured offset is returned. */typedef int regoff_t;typedef struct {  regoff_t rm_so;  regoff_t rm_eo;} regmatch_t;/* The functions */extern int regcomp(regex_t *, const char *, int);extern int regexec(const regex_t *, const char *, size_t, regmatch_t *, int);extern size_t regerror(int, const regex_t *, char *, size_t);extern void regfree(regex_t *);#ifdef __cplusplus}   /* extern "C" */#endif#endif /* End of pcreposix.h */