Remove pcre module

Modules/pcre.h

-/*************************************************
-*       Perl-Compatible Regular Expressions      *
-*************************************************/
-
-/* Copyright (c) 1998 University of Cambridge */
-
-#ifndef _PCRE_H
-#define _PCRE_H
-
-#ifdef FOR_PYTHON
-#include "Python.h"
-#endif
-
-/* Have to include stdlib.h in order to ensure that size_t is defined;
-it is needed here for malloc. */
-
-#ifndef DONT_HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#include <stdlib.h>
-
-/* Allow for C++ users */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Options */
-
-#define PCRE_CASELESS        0x0001
-#define PCRE_EXTENDED        0x0002
-#define PCRE_ANCHORED        0x0004
-#define PCRE_MULTILINE       0x0008
-#define PCRE_DOTALL          0x0010
-#define PCRE_DOLLAR_ENDONLY  0x0020
-#define PCRE_EXTRA           0x0040
-#define PCRE_NOTBOL          0x0080
-#define PCRE_NOTEOL          0x0100
-#define PCRE_UNGREEDY        0x0400
-#ifdef FOR_PYTHON
-#define PCRE_LOCALE          0x0200
-#endif
-
-/* Exec-time error codes */
-
-#define PCRE_ERROR_NOMATCH        (-1)
-#define PCRE_ERROR_BADREF         (-2)
-#define PCRE_ERROR_NULL           (-3)
-#define PCRE_ERROR_BADOPTION      (-4)
-#define PCRE_ERROR_BADMAGIC       (-5)
-#define PCRE_ERROR_UNKNOWN_NODE   (-6)
-#define PCRE_ERROR_NOMEMORY       (-7)
-
-/* Types */
-
-typedef void pcre;
-typedef void pcre_extra;
-
-/* Store get and free functions. These can be set to alternative malloc/free
-functions if required. */
-
-extern void *(*pcre_malloc)(size_t);
-extern void  (*pcre_free)(void *);
-
-/* Functions */
-
-#ifdef FOR_PYTHON
-extern pcre *pcre_compile(const char *, int, const char **, int *, PyObject *);
-extern int pcre_exec(const pcre *, const pcre_extra *, const char *,
-  int, int, int, int *, int);
-#else
-extern pcre *pcre_compile(const char *, int, const char **, int *);
-extern int pcre_exec(const pcre *, const pcre_extra *, const char *,
-  int, int, int *, int);
-#endif
-extern int pcre_info(const pcre *, int *, int *);
-extern pcre_extra *pcre_study(const pcre *, int, const char **);
-extern const char *pcre_version(void);
-
-#ifdef __cplusplus
-}  /* extern "C" */
-#endif
-
-#endif /* End of pcre.h */