--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/unicodeobject.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,1044 @@
+#ifndef Py_UNICODEOBJECT_H
+#define Py_UNICODEOBJECT_H
+
+#include <stdarg.h>
+
+/*
+
+Unicode implementation based on original code by Fredrik Lundh,
+modified by Marc-Andre Lemburg (mal@lemburg.com) according to the
+Unicode Integration Proposal. (See
+http://www.egenix.com/files/python/unicode-proposal.txt).
+
+Copyright (c) Corporation for National Research Initiatives.
+
+
+ Original header:
+ --------------------------------------------------------------------
+
+ * Yet another Unicode string type for Python.  This type supports the
+ * 16-bit Basic Multilingual Plane (BMP) only.
+ *
+ * Written by Fredrik Lundh, January 1999.
+ *
+ * Copyright (c) 1999 by Secret Labs AB.
+ * Copyright (c) 1999 by Fredrik Lundh.
+ *
+ * fredrik@pythonware.com
+ * http://www.pythonware.com
+ *
+ * --------------------------------------------------------------------
+ * This Unicode String Type is
+ *
+ * Copyright (c) 1999 by Secret Labs AB
+ * Copyright (c) 1999 by Fredrik Lundh
+ *
+ * By obtaining, using, and/or copying this software and/or its
+ * associated documentation, you agree that you have read, understood,
+ * and will comply with the following terms and conditions:
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * associated documentation for any purpose and without fee is hereby
+ * granted, provided that the above copyright notice appears in all
+ * copies, and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Secret Labs
+ * AB or the author not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission.
+ *
+ * SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS.  IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * -------------------------------------------------------------------- */
+
+#include <ctype.h>
+
+/* === Internal API ======================================================= */
+
+/* --- Internal Unicode Format -------------------------------------------- */
+
+/* Python 3.x requires unicode */
+#define Py_USING_UNICODE
+
+#ifndef SIZEOF_WCHAR_T
+#error Must define SIZEOF_WCHAR_T
+#endif
+
+#define Py_UNICODE_SIZE SIZEOF_WCHAR_T
+
+/* If wchar_t can be used for UCS-4 storage, set Py_UNICODE_WIDE.
+   Otherwise, Unicode strings are stored as UCS-2 (with limited support
+   for UTF-16) */
+
+#if Py_UNICODE_SIZE >= 4
+#define Py_UNICODE_WIDE
+#endif
+
+/* Set these flags if the platform has "wchar.h" and the
+   wchar_t type is a 16-bit unsigned type */
+/* #define HAVE_WCHAR_H */
+/* #define HAVE_USABLE_WCHAR_T */
+
+/* If the compiler provides a wchar_t type we try to support it
+   through the interface functions PyUnicode_FromWideChar(),
+   PyUnicode_AsWideChar() and PyUnicode_AsWideCharString(). */
+
+#ifdef HAVE_USABLE_WCHAR_T
+# ifndef HAVE_WCHAR_H
+#  define HAVE_WCHAR_H
+# endif
+#endif
+
+#ifdef HAVE_WCHAR_H
+#  include <wchar.h>
+#endif
+
+/* Py_UCS4 and Py_UCS2 are typedefs for the respective
+   unicode representations. */
+typedef uint32_t Py_UCS4;
+typedef uint16_t Py_UCS2;
+typedef uint8_t Py_UCS1;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+PyAPI_DATA(PyTypeObject) PyUnicode_Type;
+PyAPI_DATA(PyTypeObject) PyUnicodeIter_Type;
+
+#define PyUnicode_Check(op) \
+                 PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_UNICODE_SUBCLASS)
+#define PyUnicode_CheckExact(op) (Py_TYPE(op) == &PyUnicode_Type)
+
+/* --- Constants ---------------------------------------------------------- */
+
+/* This Unicode character will be used as replacement character during
+   decoding if the errors argument is set to "replace". Note: the
+   Unicode character U+FFFD is the official REPLACEMENT CHARACTER in
+   Unicode 3.0. */
+
+#define Py_UNICODE_REPLACEMENT_CHARACTER ((Py_UCS4) 0xFFFD)
+
+/* === Public API ========================================================= */
+
+/* Similar to PyUnicode_FromUnicode(), but u points to UTF-8 encoded bytes */
+PyAPI_FUNC(PyObject*) PyUnicode_FromStringAndSize(
+    const char *u,             /* UTF-8 encoded string */
+    Py_ssize_t size            /* size of buffer */
+    );
+
+/* Similar to PyUnicode_FromUnicode(), but u points to null-terminated
+   UTF-8 encoded bytes.  The size is determined with strlen(). */
+PyAPI_FUNC(PyObject*) PyUnicode_FromString(
+    const char *u              /* UTF-8 encoded string */
+    );
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+PyAPI_FUNC(PyObject*) PyUnicode_Substring(
+    PyObject *str,
+    Py_ssize_t start,
+    Py_ssize_t end);
+#endif
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+/* Copy the string into a UCS4 buffer including the null character if copy_null
+   is set. Return NULL and raise an exception on error. Raise a SystemError if
+   the buffer is smaller than the string. Return buffer on success.
+
+   buflen is the length of the buffer in (Py_UCS4) characters. */
+PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4(
+    PyObject *unicode,
+    Py_UCS4* buffer,
+    Py_ssize_t buflen,
+    int copy_null);
+
+/* Copy the string into a UCS4 buffer. A new buffer is allocated using
+ * PyMem_Malloc; if this fails, NULL is returned with a memory error
+   exception set. */
+PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4Copy(PyObject *unicode);
+#endif
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+/* Get the length of the Unicode object. */
+
+PyAPI_FUNC(Py_ssize_t) PyUnicode_GetLength(
+    PyObject *unicode
+);
+#endif
+
+/* Get the number of Py_UNICODE units in the
+   string representation. */
+
+Py_DEPRECATED(3.3) PyAPI_FUNC(Py_ssize_t) PyUnicode_GetSize(
+    PyObject *unicode           /* Unicode object */
+    );
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+/* Read a character from the string. */
+
+PyAPI_FUNC(Py_UCS4) PyUnicode_ReadChar(
+    PyObject *unicode,
+    Py_ssize_t index
+    );
+
+/* Write a character to the string. The string must have been created through
+   PyUnicode_New, must not be shared, and must not have been hashed yet.
+
+   Return 0 on success, -1 on error. */
+
+PyAPI_FUNC(int) PyUnicode_WriteChar(
+    PyObject *unicode,
+    Py_ssize_t index,
+    Py_UCS4 character
+    );
+#endif
+
+/* Resize a Unicode object. The length is the number of characters, except
+   if the kind of the string is PyUnicode_WCHAR_KIND: in this case, the length
+   is the number of Py_UNICODE characters.
+
+   *unicode is modified to point to the new (resized) object and 0
+   returned on success.
+
+   Try to resize the string in place (which is usually faster than allocating
+   a new string and copy characters), or create a new string.
+
+   Error handling is implemented as follows: an exception is set, -1
+   is returned and *unicode left untouched.
+
+   WARNING: The function doesn't check string content, the result may not be a
+            string in canonical representation. */
+
+PyAPI_FUNC(int) PyUnicode_Resize(
+    PyObject **unicode,         /* Pointer to the Unicode object */
+    Py_ssize_t length           /* New length */
+    );
+
+/* Decode obj to a Unicode object.
+
+   bytes, bytearray and other bytes-like objects are decoded according to the
+   given encoding and error handler. The encoding and error handler can be
+   NULL to have the interface use UTF-8 and "strict".
+
+   All other objects (including Unicode objects) raise an exception.
+
+   The API returns NULL in case of an error. The caller is responsible
+   for decref'ing the returned objects.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_FromEncodedObject(
+    PyObject *obj,              /* Object */
+    const char *encoding,       /* encoding */
+    const char *errors          /* error handling */
+    );
+
+/* Copy an instance of a Unicode subtype to a new true Unicode object if
+   necessary. If obj is already a true Unicode object (not a subtype), return
+   the reference with *incremented* refcount.
+
+   The API returns NULL in case of an error. The caller is responsible
+   for decref'ing the returned objects.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_FromObject(
+    PyObject *obj      /* Object */
+    );
+
+PyAPI_FUNC(PyObject *) PyUnicode_FromFormatV(
+    const char *format,   /* ASCII-encoded string  */
+    va_list vargs
+    );
+PyAPI_FUNC(PyObject *) PyUnicode_FromFormat(
+    const char *format,   /* ASCII-encoded string  */
+    ...
+    );
+
+PyAPI_FUNC(void) PyUnicode_InternInPlace(PyObject **);
+PyAPI_FUNC(void) PyUnicode_InternImmortal(PyObject **);
+PyAPI_FUNC(PyObject *) PyUnicode_InternFromString(
+    const char *u              /* UTF-8 encoded string */
+    );
+
+/* Use only if you know it's a string */
+#define PyUnicode_CHECK_INTERNED(op) \
+    (((PyASCIIObject *)(op))->state.interned)
+
+/* --- wchar_t support for platforms which support it --------------------- */
+
+#ifdef HAVE_WCHAR_H
+
+/* Create a Unicode Object from the wchar_t buffer w of the given
+   size.
+
+   The buffer is copied into the new object. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_FromWideChar(
+    const wchar_t *w,           /* wchar_t buffer */
+    Py_ssize_t size             /* size of buffer */
+    );
+
+/* Copies the Unicode Object contents into the wchar_t buffer w.  At
+   most size wchar_t characters are copied.
+
+   Note that the resulting wchar_t string may or may not be
+   0-terminated.  It is the responsibility of the caller to make sure
+   that the wchar_t string is 0-terminated in case this is required by
+   the application.
+
+   Returns the number of wchar_t characters copied (excluding a
+   possibly trailing 0-termination character) or -1 in case of an
+   error. */
+
+PyAPI_FUNC(Py_ssize_t) PyUnicode_AsWideChar(
+    PyObject *unicode,          /* Unicode object */
+    wchar_t *w,                 /* wchar_t buffer */
+    Py_ssize_t size             /* size of buffer */
+    );
+
+/* Convert the Unicode object to a wide character string. The output string
+   always ends with a nul character. If size is not NULL, write the number of
+   wide characters (excluding the null character) into *size.
+
+   Returns a buffer allocated by PyMem_Malloc() (use PyMem_Free() to free it)
+   on success. On error, returns NULL, *size is undefined and raises a
+   MemoryError. */
+
+PyAPI_FUNC(wchar_t*) PyUnicode_AsWideCharString(
+    PyObject *unicode,          /* Unicode object */
+    Py_ssize_t *size            /* number of characters of the result */
+    );
+
+#endif
+
+/* --- Unicode ordinals --------------------------------------------------- */
+
+/* Create a Unicode Object from the given Unicode code point ordinal.
+
+   The ordinal must be in range(0x110000). A ValueError is
+   raised in case it is not.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_FromOrdinal(int ordinal);
+
+/* --- Free-list management ----------------------------------------------- */
+
+/* Clear the free list used by the Unicode implementation.
+
+   This can be used to release memory used for objects on the free
+   list back to the Python memory allocator.
+
+*/
+
+PyAPI_FUNC(int) PyUnicode_ClearFreeList(void);
+
+/* === Builtin Codecs =====================================================
+
+   Many of these APIs take two arguments encoding and errors. These
+   parameters encoding and errors have the same semantics as the ones
+   of the builtin str() API.
+
+   Setting encoding to NULL causes the default encoding (UTF-8) to be used.
+
+   Error handling is set by errors which may also be set to NULL
+   meaning to use the default handling defined for the codec. Default
+   error handling for all builtin codecs is "strict" (ValueErrors are
+   raised).
+
+   The codecs all use a similar interface. Only deviation from the
+   generic ones are documented.
+
+*/
+
+/* --- Manage the default encoding ---------------------------------------- */
+
+/* Returns "utf-8".  */
+PyAPI_FUNC(const char*) PyUnicode_GetDefaultEncoding(void);
+
+/* --- Generic Codecs ----------------------------------------------------- */
+
+/* Create a Unicode object by decoding the encoded string s of the
+   given size. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_Decode(
+    const char *s,              /* encoded string */
+    Py_ssize_t size,            /* size of buffer */
+    const char *encoding,       /* encoding */
+    const char *errors          /* error handling */
+    );
+
+/* Decode a Unicode object unicode and return the result as Python
+   object.
+
+   This API is DEPRECATED. The only supported standard encoding is rot13.
+   Use PyCodec_Decode() to decode with rot13 and non-standard codecs
+   that decode from str. */
+
+Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedObject(
+    PyObject *unicode,          /* Unicode object */
+    const char *encoding,       /* encoding */
+    const char *errors          /* error handling */
+    );
+
+/* Decode a Unicode object unicode and return the result as Unicode
+   object.
+
+   This API is DEPRECATED. The only supported standard encoding is rot13.
+   Use PyCodec_Decode() to decode with rot13 and non-standard codecs
+   that decode from str to str. */
+
+Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsDecodedUnicode(
+    PyObject *unicode,          /* Unicode object */
+    const char *encoding,       /* encoding */
+    const char *errors          /* error handling */
+    );
+
+/* Encodes a Unicode object and returns the result as Python
+   object.
+
+   This API is DEPRECATED.  It is superseded by PyUnicode_AsEncodedString()
+   since all standard encodings (except rot13) encode str to bytes.
+   Use PyCodec_Encode() for encoding with rot13 and non-standard codecs
+   that encode form str to non-bytes. */
+
+Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedObject(
+    PyObject *unicode,          /* Unicode object */
+    const char *encoding,       /* encoding */
+    const char *errors          /* error handling */
+    );
+
+/* Encodes a Unicode object and returns the result as Python string
+   object. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedString(
+    PyObject *unicode,          /* Unicode object */
+    const char *encoding,       /* encoding */
+    const char *errors          /* error handling */
+    );
+
+/* Encodes a Unicode object and returns the result as Unicode
+   object.
+
+   This API is DEPRECATED.  The only supported standard encodings is rot13.
+   Use PyCodec_Encode() to encode with rot13 and non-standard codecs
+   that encode from str to str. */
+
+Py_DEPRECATED(3.6) PyAPI_FUNC(PyObject*) PyUnicode_AsEncodedUnicode(
+    PyObject *unicode,          /* Unicode object */
+    const char *encoding,       /* encoding */
+    const char *errors          /* error handling */
+    );
+
+/* Build an encoding map. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_BuildEncodingMap(
+    PyObject* string            /* 256 character map */
+   );
+
+/* --- UTF-7 Codecs ------------------------------------------------------- */
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7(
+    const char *string,         /* UTF-7 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF7Stateful(
+    const char *string,         /* UTF-7 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    Py_ssize_t *consumed        /* bytes consumed */
+    );
+
+/* --- UTF-8 Codecs ------------------------------------------------------- */
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8(
+    const char *string,         /* UTF-8 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF8Stateful(
+    const char *string,         /* UTF-8 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    Py_ssize_t *consumed        /* bytes consumed */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsUTF8String(
+    PyObject *unicode           /* Unicode object */
+    );
+
+/* --- UTF-32 Codecs ------------------------------------------------------ */
+
+/* Decodes length bytes from a UTF-32 encoded buffer string and returns
+   the corresponding Unicode object.
+
+   errors (if non-NULL) defines the error handling. It defaults
+   to "strict".
+
+   If byteorder is non-NULL, the decoder starts decoding using the
+   given byte order:
+
+    *byteorder == -1: little endian
+    *byteorder == 0:  native order
+    *byteorder == 1:  big endian
+
+   In native mode, the first four bytes of the stream are checked for a
+   BOM mark. If found, the BOM mark is analysed, the byte order
+   adjusted and the BOM skipped.  In the other modes, no BOM mark
+   interpretation is done. After completion, *byteorder is set to the
+   current byte order at the end of input data.
+
+   If byteorder is NULL, the codec starts in native order mode.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF32(
+    const char *string,         /* UTF-32 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    int *byteorder              /* pointer to byteorder to use
+                                   0=native;-1=LE,1=BE; updated on
+                                   exit */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF32Stateful(
+    const char *string,         /* UTF-32 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    int *byteorder,             /* pointer to byteorder to use
+                                   0=native;-1=LE,1=BE; updated on
+                                   exit */
+    Py_ssize_t *consumed        /* bytes consumed */
+    );
+
+/* Returns a Python string using the UTF-32 encoding in native byte
+   order. The string always starts with a BOM mark.  */
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsUTF32String(
+    PyObject *unicode           /* Unicode object */
+    );
+
+/* Returns a Python string object holding the UTF-32 encoded value of
+   the Unicode data.
+
+   If byteorder is not 0, output is written according to the following
+   byte order:
+
+   byteorder == -1: little endian
+   byteorder == 0:  native byte order (writes a BOM mark)
+   byteorder == 1:  big endian
+
+   If byteorder is 0, the output string will always start with the
+   Unicode BOM mark (U+FEFF). In the other two modes, no BOM mark is
+   prepended.
+
+*/
+
+/* --- UTF-16 Codecs ------------------------------------------------------ */
+
+/* Decodes length bytes from a UTF-16 encoded buffer string and returns
+   the corresponding Unicode object.
+
+   errors (if non-NULL) defines the error handling. It defaults
+   to "strict".
+
+   If byteorder is non-NULL, the decoder starts decoding using the
+   given byte order:
+
+    *byteorder == -1: little endian
+    *byteorder == 0:  native order
+    *byteorder == 1:  big endian
+
+   In native mode, the first two bytes of the stream are checked for a
+   BOM mark. If found, the BOM mark is analysed, the byte order
+   adjusted and the BOM skipped.  In the other modes, no BOM mark
+   interpretation is done. After completion, *byteorder is set to the
+   current byte order at the end of input data.
+
+   If byteorder is NULL, the codec starts in native order mode.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF16(
+    const char *string,         /* UTF-16 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    int *byteorder              /* pointer to byteorder to use
+                                   0=native;-1=LE,1=BE; updated on
+                                   exit */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUTF16Stateful(
+    const char *string,         /* UTF-16 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    int *byteorder,             /* pointer to byteorder to use
+                                   0=native;-1=LE,1=BE; updated on
+                                   exit */
+    Py_ssize_t *consumed        /* bytes consumed */
+    );
+
+/* Returns a Python string using the UTF-16 encoding in native byte
+   order. The string always starts with a BOM mark.  */
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsUTF16String(
+    PyObject *unicode           /* Unicode object */
+    );
+
+/* --- Unicode-Escape Codecs ---------------------------------------------- */
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeUnicodeEscape(
+    const char *string,         /* Unicode-Escape encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsUnicodeEscapeString(
+    PyObject *unicode           /* Unicode object */
+    );
+
+/* --- Raw-Unicode-Escape Codecs ------------------------------------------ */
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeRawUnicodeEscape(
+    const char *string,         /* Raw-Unicode-Escape encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsRawUnicodeEscapeString(
+    PyObject *unicode           /* Unicode object */
+    );
+
+/* --- Latin-1 Codecs -----------------------------------------------------
+
+   Note: Latin-1 corresponds to the first 256 Unicode ordinals. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeLatin1(
+    const char *string,         /* Latin-1 encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsLatin1String(
+    PyObject *unicode           /* Unicode object */
+    );
+
+/* --- ASCII Codecs -------------------------------------------------------
+
+   Only 7-bit ASCII data is excepted. All other codes generate errors.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeASCII(
+    const char *string,         /* ASCII encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsASCIIString(
+    PyObject *unicode           /* Unicode object */
+    );
+
+/* --- Character Map Codecs -----------------------------------------------
+
+   This codec uses mappings to encode and decode characters.
+
+   Decoding mappings must map byte ordinals (integers in the range from 0 to
+   255) to Unicode strings, integers (which are then interpreted as Unicode
+   ordinals) or None.  Unmapped data bytes (ones which cause a LookupError)
+   as well as mapped to None, 0xFFFE or '\ufffe' are treated as "undefined
+   mapping" and cause an error.
+
+   Encoding mappings must map Unicode ordinal integers to bytes objects,
+   integers in the range from 0 to 255 or None.  Unmapped character
+   ordinals (ones which cause a LookupError) as well as mapped to
+   None are treated as "undefined mapping" and cause an error.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeCharmap(
+    const char *string,         /* Encoded string */
+    Py_ssize_t length,          /* size of string */
+    PyObject *mapping,          /* decoding mapping */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsCharmapString(
+    PyObject *unicode,          /* Unicode object */
+    PyObject *mapping           /* encoding mapping */
+    );
+
+/* --- MBCS codecs for Windows -------------------------------------------- */
+
+#ifdef MS_WINDOWS
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCS(
+    const char *string,         /* MBCS encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors          /* error handling */
+    );
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCSStateful(
+    const char *string,         /* MBCS encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    Py_ssize_t *consumed        /* bytes consumed */
+    );
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeCodePageStateful(
+    int code_page,              /* code page number */
+    const char *string,         /* encoded string */
+    Py_ssize_t length,          /* size of string */
+    const char *errors,         /* error handling */
+    Py_ssize_t *consumed        /* bytes consumed */
+    );
+#endif
+
+PyAPI_FUNC(PyObject*) PyUnicode_AsMBCSString(
+    PyObject *unicode           /* Unicode object */
+    );
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+PyAPI_FUNC(PyObject*) PyUnicode_EncodeCodePage(
+    int code_page,              /* code page number */
+    PyObject *unicode,          /* Unicode object */
+    const char *errors          /* error handling */
+    );
+#endif
+
+#endif /* MS_WINDOWS */
+
+/* --- Locale encoding --------------------------------------------------- */
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+/* Decode a string from the current locale encoding. The decoder is strict if
+   *surrogateescape* is equal to zero, otherwise it uses the 'surrogateescape'
+   error handler (PEP 383) to escape undecodable bytes. If a byte sequence can
+   be decoded as a surrogate character and *surrogateescape* is not equal to
+   zero, the byte sequence is escaped using the 'surrogateescape' error handler
+   instead of being decoded. *str* must end with a null character but cannot
+   contain embedded null characters. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeLocaleAndSize(
+    const char *str,
+    Py_ssize_t len,
+    const char *errors);
+
+/* Similar to PyUnicode_DecodeLocaleAndSize(), but compute the string
+   length using strlen(). */
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeLocale(
+    const char *str,
+    const char *errors);
+
+/* Encode a Unicode object to the current locale encoding. The encoder is
+   strict is *surrogateescape* is equal to zero, otherwise the
+   "surrogateescape" error handler is used. Return a bytes object. The string
+   cannot contain embedded null characters. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_EncodeLocale(
+    PyObject *unicode,
+    const char *errors
+    );
+#endif
+
+/* --- File system encoding ---------------------------------------------- */
+
+/* ParseTuple converter: encode str objects to bytes using
+   PyUnicode_EncodeFSDefault(); bytes objects are output as-is. */
+
+PyAPI_FUNC(int) PyUnicode_FSConverter(PyObject*, void*);
+
+/* ParseTuple converter: decode bytes objects to unicode using
+   PyUnicode_DecodeFSDefaultAndSize(); str objects are output as-is. */
+
+PyAPI_FUNC(int) PyUnicode_FSDecoder(PyObject*, void*);
+
+/* Decode a null-terminated string using Py_FileSystemDefaultEncoding
+   and the "surrogateescape" error handler.
+
+   If Py_FileSystemDefaultEncoding is not set, fall back to the locale
+   encoding.
+
+   Use PyUnicode_DecodeFSDefaultAndSize() if the string length is known.
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeFSDefault(
+    const char *s               /* encoded string */
+    );
+
+/* Decode a string using Py_FileSystemDefaultEncoding
+   and the "surrogateescape" error handler.
+
+   If Py_FileSystemDefaultEncoding is not set, fall back to the locale
+   encoding.
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_DecodeFSDefaultAndSize(
+    const char *s,               /* encoded string */
+    Py_ssize_t size              /* size */
+    );
+
+/* Encode a Unicode object to Py_FileSystemDefaultEncoding with the
+   "surrogateescape" error handler, and return bytes.
+
+   If Py_FileSystemDefaultEncoding is not set, fall back to the locale
+   encoding.
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_EncodeFSDefault(
+    PyObject *unicode
+    );
+
+/* --- Methods & Slots ----------------------------------------------------
+
+   These are capable of handling Unicode objects and strings on input
+   (we refer to them as strings in the descriptions) and return
+   Unicode objects or integers as appropriate. */
+
+/* Concat two strings giving a new Unicode string. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_Concat(
+    PyObject *left,             /* Left string */
+    PyObject *right             /* Right string */
+    );
+
+/* Concat two strings and put the result in *pleft
+   (sets *pleft to NULL on error) */
+
+PyAPI_FUNC(void) PyUnicode_Append(
+    PyObject **pleft,           /* Pointer to left string */
+    PyObject *right             /* Right string */
+    );
+
+/* Concat two strings, put the result in *pleft and drop the right object
+   (sets *pleft to NULL on error) */
+
+PyAPI_FUNC(void) PyUnicode_AppendAndDel(
+    PyObject **pleft,           /* Pointer to left string */
+    PyObject *right             /* Right string */
+    );
+
+/* Split a string giving a list of Unicode strings.
+
+   If sep is NULL, splitting will be done at all whitespace
+   substrings. Otherwise, splits occur at the given separator.
+
+   At most maxsplit splits will be done. If negative, no limit is set.
+
+   Separators are not included in the resulting list.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_Split(
+    PyObject *s,                /* String to split */
+    PyObject *sep,              /* String separator */
+    Py_ssize_t maxsplit         /* Maxsplit count */
+    );
+
+/* Dito, but split at line breaks.
+
+   CRLF is considered to be one line break. Line breaks are not
+   included in the resulting list. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_Splitlines(
+    PyObject *s,                /* String to split */
+    int keepends                /* If true, line end markers are included */
+    );
+
+/* Partition a string using a given separator. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_Partition(
+    PyObject *s,                /* String to partition */
+    PyObject *sep               /* String separator */
+    );
+
+/* Partition a string using a given separator, searching from the end of the
+   string. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_RPartition(
+    PyObject *s,                /* String to partition */
+    PyObject *sep               /* String separator */
+    );
+
+/* Split a string giving a list of Unicode strings.
+
+   If sep is NULL, splitting will be done at all whitespace
+   substrings. Otherwise, splits occur at the given separator.
+
+   At most maxsplit splits will be done. But unlike PyUnicode_Split
+   PyUnicode_RSplit splits from the end of the string. If negative,
+   no limit is set.
+
+   Separators are not included in the resulting list.
+
+*/
+
+PyAPI_FUNC(PyObject*) PyUnicode_RSplit(
+    PyObject *s,                /* String to split */
+    PyObject *sep,              /* String separator */
+    Py_ssize_t maxsplit         /* Maxsplit count */
+    );
+
+/* Translate a string by applying a character mapping table to it and
+   return the resulting Unicode object.
+
+   The mapping table must map Unicode ordinal integers to Unicode strings,
+   Unicode ordinal integers or None (causing deletion of the character).
+
+   Mapping tables may be dictionaries or sequences. Unmapped character
+   ordinals (ones which cause a LookupError) are left untouched and
+   are copied as-is.
+
+*/
+
+PyAPI_FUNC(PyObject *) PyUnicode_Translate(
+    PyObject *str,              /* String */
+    PyObject *table,            /* Translate table */
+    const char *errors          /* error handling */
+    );
+
+/* Join a sequence of strings using the given separator and return
+   the resulting Unicode string. */
+
+PyAPI_FUNC(PyObject*) PyUnicode_Join(
+    PyObject *separator,        /* Separator string */
+    PyObject *seq               /* Sequence object */
+    );
+
+/* Return 1 if substr matches str[start:end] at the given tail end, 0
+   otherwise. */
+
+PyAPI_FUNC(Py_ssize_t) PyUnicode_Tailmatch(
+    PyObject *str,              /* String */
+    PyObject *substr,           /* Prefix or Suffix string */
+    Py_ssize_t start,           /* Start index */
+    Py_ssize_t end,             /* Stop index */
+    int direction               /* Tail end: -1 prefix, +1 suffix */
+    );
+
+/* Return the first position of substr in str[start:end] using the
+   given search direction or -1 if not found. -2 is returned in case
+   an error occurred and an exception is set. */
+
+PyAPI_FUNC(Py_ssize_t) PyUnicode_Find(
+    PyObject *str,              /* String */
+    PyObject *substr,           /* Substring to find */
+    Py_ssize_t start,           /* Start index */
+    Py_ssize_t end,             /* Stop index */
+    int direction               /* Find direction: +1 forward, -1 backward */
+    );
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
+/* Like PyUnicode_Find, but search for single character only. */
+PyAPI_FUNC(Py_ssize_t) PyUnicode_FindChar(
+    PyObject *str,
+    Py_UCS4 ch,
+    Py_ssize_t start,
+    Py_ssize_t end,
+    int direction
+    );
+#endif
+
+/* Count the number of occurrences of substr in str[start:end]. */
+
+PyAPI_FUNC(Py_ssize_t) PyUnicode_Count(
+    PyObject *str,              /* String */
+    PyObject *substr,           /* Substring to count */
+    Py_ssize_t start,           /* Start index */
+    Py_ssize_t end              /* Stop index */
+    );
+
+/* Replace at most maxcount occurrences of substr in str with replstr
+   and return the resulting Unicode object. */
+
+PyAPI_FUNC(PyObject *) PyUnicode_Replace(
+    PyObject *str,              /* String */
+    PyObject *substr,           /* Substring to find */
+    PyObject *replstr,          /* Substring to replace */
+    Py_ssize_t maxcount         /* Max. number of replacements to apply;
+                                   -1 = all */
+    );
+
+/* Compare two strings and return -1, 0, 1 for less than, equal,
+   greater than resp.
+   Raise an exception and return -1 on error. */
+
+PyAPI_FUNC(int) PyUnicode_Compare(
+    PyObject *left,             /* Left string */
+    PyObject *right             /* Right string */
+    );
+
+/* Compare a Unicode object with C string and return -1, 0, 1 for less than,
+   equal, and greater than, respectively.  It is best to pass only
+   ASCII-encoded strings, but the function interprets the input string as
+   ISO-8859-1 if it contains non-ASCII characters.
+   This function does not raise exceptions. */
+
+PyAPI_FUNC(int) PyUnicode_CompareWithASCIIString(
+    PyObject *left,
+    const char *right           /* ASCII-encoded string */
+    );
+
+/* Rich compare two strings and return one of the following:
+
+   - NULL in case an exception was raised
+   - Py_True or Py_False for successful comparisons
+   - Py_NotImplemented in case the type combination is unknown
+
+   Possible values for op:
+
+     Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE
+
+*/
+
+PyAPI_FUNC(PyObject *) PyUnicode_RichCompare(
+    PyObject *left,             /* Left string */
+    PyObject *right,            /* Right string */
+    int op                      /* Operation: Py_EQ, Py_NE, Py_GT, etc. */
+    );
+
+/* Apply an argument tuple or dictionary to a format string and return
+   the resulting Unicode string. */
+
+PyAPI_FUNC(PyObject *) PyUnicode_Format(
+    PyObject *format,           /* Format string */
+    PyObject *args              /* Argument tuple or dictionary */
+    );
+
+/* Checks whether element is contained in container and return 1/0
+   accordingly.
+
+   element has to coerce to a one element Unicode string. -1 is
+   returned in case of an error. */
+
+PyAPI_FUNC(int) PyUnicode_Contains(
+    PyObject *container,        /* Container string */
+    PyObject *element           /* Element string */
+    );
+
+/* Checks whether argument is a valid identifier. */
+
+PyAPI_FUNC(int) PyUnicode_IsIdentifier(PyObject *s);
+
+/* === Characters Type APIs =============================================== */
+
+#ifndef Py_LIMITED_API
+#  define Py_CPYTHON_UNICODEOBJECT_H
+#  include  "cpython/unicodeobject.h"
+#  undef Py_CPYTHON_UNICODEOBJECT_H
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_UNICODEOBJECT_H */