--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/abstract.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,844 @@
+/* Abstract Object Interface (many thanks to Jim Fulton) */
+
+#ifndef Py_ABSTRACTOBJECT_H
+#define Py_ABSTRACTOBJECT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* === Object Protocol ================================================== */
+
+/* Implemented elsewhere:
+
+   int PyObject_Print(PyObject *o, FILE *fp, int flags);
+
+   Print an object 'o' on file 'fp'.  Returns -1 on error. The flags argument
+   is used to enable certain printing options. The only option currently
+   supported is Py_Print_RAW.
+
+   (What should be said about Py_Print_RAW?). */
+
+
+/* Implemented elsewhere:
+
+   int PyObject_HasAttrString(PyObject *o, const char *attr_name);
+
+   Returns 1 if object 'o' has the attribute attr_name, and 0 otherwise.
+
+   This is equivalent to the Python expression: hasattr(o,attr_name).
+
+   This function always succeeds. */
+
+
+/* Implemented elsewhere:
+
+   PyObject* PyObject_GetAttrString(PyObject *o, const char *attr_name);
+
+   Retrieve an attributed named attr_name form object o.
+   Returns the attribute value on success, or NULL on failure.
+
+   This is the equivalent of the Python expression: o.attr_name. */
+
+
+/* Implemented elsewhere:
+
+   int PyObject_HasAttr(PyObject *o, PyObject *attr_name);
+
+   Returns 1 if o has the attribute attr_name, and 0 otherwise.
+
+   This is equivalent to the Python expression: hasattr(o,attr_name).
+
+   This function always succeeds. */
+
+/* Implemented elsewhere:
+
+   PyObject* PyObject_GetAttr(PyObject *o, PyObject *attr_name);
+
+   Retrieve an attributed named 'attr_name' form object 'o'.
+   Returns the attribute value on success, or NULL on failure.
+
+   This is the equivalent of the Python expression: o.attr_name. */
+
+
+/* Implemented elsewhere:
+
+   int PyObject_SetAttrString(PyObject *o, const char *attr_name, PyObject *v);
+
+   Set the value of the attribute named attr_name, for object 'o',
+   to the value 'v'. Raise an exception and return -1 on failure; return 0 on
+   success.
+
+   This is the equivalent of the Python statement o.attr_name=v. */
+
+
+/* Implemented elsewhere:
+
+   int PyObject_SetAttr(PyObject *o, PyObject *attr_name, PyObject *v);
+
+   Set the value of the attribute named attr_name, for object 'o', to the value
+   'v'. an exception and return -1 on failure; return 0 on success.
+
+   This is the equivalent of the Python statement o.attr_name=v. */
+
+/* Implemented as a macro:
+
+   int PyObject_DelAttrString(PyObject *o, const char *attr_name);
+
+   Delete attribute named attr_name, for object o. Returns
+   -1 on failure.
+
+   This is the equivalent of the Python statement: del o.attr_name. */
+#define PyObject_DelAttrString(O,A) PyObject_SetAttrString((O),(A), NULL)
+
+
+/* Implemented as a macro:
+
+   int PyObject_DelAttr(PyObject *o, PyObject *attr_name);
+
+   Delete attribute named attr_name, for object o. Returns -1
+   on failure.  This is the equivalent of the Python
+   statement: del o.attr_name. */
+#define  PyObject_DelAttr(O,A) PyObject_SetAttr((O),(A), NULL)
+
+
+/* Implemented elsewhere:
+
+   PyObject *PyObject_Repr(PyObject *o);
+
+   Compute the string representation of object 'o'.  Returns the
+   string representation on success, NULL on failure.
+
+   This is the equivalent of the Python expression: repr(o).
+
+   Called by the repr() built-in function. */
+
+
+/* Implemented elsewhere:
+
+   PyObject *PyObject_Str(PyObject *o);
+
+   Compute the string representation of object, o.  Returns the
+   string representation on success, NULL on failure.
+
+   This is the equivalent of the Python expression: str(o).
+
+   Called by the str() and print() built-in functions. */
+
+
+/* Declared elsewhere
+
+   PyAPI_FUNC(int) PyCallable_Check(PyObject *o);
+
+   Determine if the object, o, is callable.  Return 1 if the object is callable
+   and 0 otherwise.
+
+   This function always succeeds. */
+
+
+#ifdef PY_SSIZE_T_CLEAN
+#  define PyObject_CallFunction _PyObject_CallFunction_SizeT
+#  define PyObject_CallMethod _PyObject_CallMethod_SizeT
+#endif
+
+
+/* Call a callable Python object 'callable' with arguments given by the
+   tuple 'args' and keywords arguments given by the dictionary 'kwargs'.
+
+   'args' must not be NULL, use an empty tuple if no arguments are
+   needed. If no named arguments are needed, 'kwargs' can be NULL.
+
+   This is the equivalent of the Python expression:
+   callable(*args, **kwargs). */
+PyAPI_FUNC(PyObject *) PyObject_Call(PyObject *callable,
+                                     PyObject *args, PyObject *kwargs);
+
+
+/* Call a callable Python object 'callable', with arguments given by the
+   tuple 'args'.  If no arguments are needed, then 'args' can be NULL.
+
+   Returns the result of the call on success, or NULL on failure.
+
+   This is the equivalent of the Python expression:
+   callable(*args). */
+PyAPI_FUNC(PyObject *) PyObject_CallObject(PyObject *callable,
+                                           PyObject *args);
+
+/* Call a callable Python object, callable, with a variable number of C
+   arguments. The C arguments are described using a mkvalue-style format
+   string.
+
+   The format may be NULL, indicating that no arguments are provided.
+
+   Returns the result of the call on success, or NULL on failure.
+
+   This is the equivalent of the Python expression:
+   callable(arg1, arg2, ...). */
+PyAPI_FUNC(PyObject *) PyObject_CallFunction(PyObject *callable,
+                                             const char *format, ...);
+
+/* Call the method named 'name' of object 'obj' with a variable number of
+   C arguments.  The C arguments are described by a mkvalue format string.
+
+   The format can be NULL, indicating that no arguments are provided.
+
+   Returns the result of the call on success, or NULL on failure.
+
+   This is the equivalent of the Python expression:
+   obj.name(arg1, arg2, ...). */
+PyAPI_FUNC(PyObject *) PyObject_CallMethod(PyObject *obj,
+                                           const char *name,
+                                           const char *format, ...);
+
+PyAPI_FUNC(PyObject *) _PyObject_CallFunction_SizeT(PyObject *callable,
+                                                    const char *format,
+                                                    ...);
+
+PyAPI_FUNC(PyObject *) _PyObject_CallMethod_SizeT(PyObject *obj,
+                                                  const char *name,
+                                                  const char *format,
+                                                  ...);
+
+/* Call a callable Python object 'callable' with a variable number of C
+   arguments. The C arguments are provided as PyObject* values, terminated
+   by a NULL.
+
+   Returns the result of the call on success, or NULL on failure.
+
+   This is the equivalent of the Python expression:
+   callable(arg1, arg2, ...). */
+PyAPI_FUNC(PyObject *) PyObject_CallFunctionObjArgs(PyObject *callable,
+                                                    ...);
+
+/* Call the method named 'name' of object 'obj' with a variable number of
+   C arguments.  The C arguments are provided as PyObject* values, terminated
+   by NULL.
+
+   Returns the result of the call on success, or NULL on failure.
+
+   This is the equivalent of the Python expression: obj.name(*args). */
+
+PyAPI_FUNC(PyObject *) PyObject_CallMethodObjArgs(
+    PyObject *obj,
+    PyObject *name,
+    ...);
+
+
+/* Implemented elsewhere:
+
+   Py_hash_t PyObject_Hash(PyObject *o);
+
+   Compute and return the hash, hash_value, of an object, o.  On
+   failure, return -1.
+
+   This is the equivalent of the Python expression: hash(o). */
+
+
+/* Implemented elsewhere:
+
+   int PyObject_IsTrue(PyObject *o);
+
+   Returns 1 if the object, o, is considered to be true, 0 if o is
+   considered to be false and -1 on failure.
+
+   This is equivalent to the Python expression: not not o. */
+
+
+/* Implemented elsewhere:
+
+   int PyObject_Not(PyObject *o);
+
+   Returns 0 if the object, o, is considered to be true, 1 if o is
+   considered to be false and -1 on failure.
+
+   This is equivalent to the Python expression: not o. */
+
+
+/* Get the type of an object.
+
+   On success, returns a type object corresponding to the object type of object
+   'o'. On failure, returns NULL.
+
+   This is equivalent to the Python expression: type(o) */
+PyAPI_FUNC(PyObject *) PyObject_Type(PyObject *o);
+
+
+/* Return the size of object 'o'.  If the object 'o' provides both sequence and
+   mapping protocols, the sequence size is returned.
+
+   On error, -1 is returned.
+
+   This is the equivalent to the Python expression: len(o) */
+PyAPI_FUNC(Py_ssize_t) PyObject_Size(PyObject *o);
+
+
+/* For DLL compatibility */
+#undef PyObject_Length
+PyAPI_FUNC(Py_ssize_t) PyObject_Length(PyObject *o);
+#define PyObject_Length PyObject_Size
+
+/* Return element of 'o' corresponding to the object 'key'. Return NULL
+  on failure.
+
+  This is the equivalent of the Python expression: o[key] */
+PyAPI_FUNC(PyObject *) PyObject_GetItem(PyObject *o, PyObject *key);
+
+
+/* Map the object 'key' to the value 'v' into 'o'.
+
+   Raise an exception and return -1 on failure; return 0 on success.
+
+   This is the equivalent of the Python statement: o[key]=v. */
+PyAPI_FUNC(int) PyObject_SetItem(PyObject *o, PyObject *key, PyObject *v);
+
+/* Remove the mapping for the string 'key' from the object 'o'.
+   Returns -1 on failure.
+
+   This is equivalent to the Python statement: del o[key]. */
+PyAPI_FUNC(int) PyObject_DelItemString(PyObject *o, const char *key);
+
+/* Delete the mapping for the object 'key' from the object 'o'.
+   Returns -1 on failure.
+
+   This is the equivalent of the Python statement: del o[key]. */
+PyAPI_FUNC(int) PyObject_DelItem(PyObject *o, PyObject *key);
+
+
+/* === Old Buffer API ============================================ */
+
+/* FIXME:  usage of these should all be replaced in Python itself
+   but for backwards compatibility we will implement them.
+   Their usage without a corresponding "unlock" mechanism
+   may create issues (but they would already be there). */
+
+/* Takes an arbitrary object which must support the (character, single segment)
+   buffer interface and returns a pointer to a read-only memory location
+   useable as character based input for subsequent processing.
+
+   Return 0 on success.  buffer and buffer_len are only set in case no error
+   occurs. Otherwise, -1 is returned and an exception set. */
+Py_DEPRECATED(3.0)
+PyAPI_FUNC(int) PyObject_AsCharBuffer(PyObject *obj,
+                                      const char **buffer,
+                                      Py_ssize_t *buffer_len);
+
+/* Checks whether an arbitrary object supports the (character, single segment)
+   buffer interface.
+
+   Returns 1 on success, 0 on failure. */
+Py_DEPRECATED(3.0) PyAPI_FUNC(int) PyObject_CheckReadBuffer(PyObject *obj);
+
+/* Same as PyObject_AsCharBuffer() except that this API expects (readable,
+   single segment) buffer interface and returns a pointer to a read-only memory
+   location which can contain arbitrary data.
+
+   0 is returned on success.  buffer and buffer_len are only set in case no
+   error occurs.  Otherwise, -1 is returned and an exception set. */
+Py_DEPRECATED(3.0)
+PyAPI_FUNC(int) PyObject_AsReadBuffer(PyObject *obj,
+                                      const void **buffer,
+                                      Py_ssize_t *buffer_len);
+
+/* Takes an arbitrary object which must support the (writable, single segment)
+   buffer interface and returns a pointer to a writable memory location in
+   buffer of size 'buffer_len'.
+
+   Return 0 on success.  buffer and buffer_len are only set in case no error
+   occurs. Otherwise, -1 is returned and an exception set. */
+Py_DEPRECATED(3.0)
+PyAPI_FUNC(int) PyObject_AsWriteBuffer(PyObject *obj,
+                                       void **buffer,
+                                       Py_ssize_t *buffer_len);
+
+
+/* === New Buffer API ============================================ */
+
+/* Takes an arbitrary object and returns the result of calling
+   obj.__format__(format_spec). */
+PyAPI_FUNC(PyObject *) PyObject_Format(PyObject *obj,
+                                       PyObject *format_spec);
+
+
+/* ==== Iterators ================================================ */
+
+/* Takes an object and returns an iterator for it.
+   This is typically a new iterator but if the argument is an iterator, this
+   returns itself. */
+PyAPI_FUNC(PyObject *) PyObject_GetIter(PyObject *);
+
+/* Returns 1 if the object 'obj' provides iterator protocols, and 0 otherwise.
+
+   This function always succeeds. */
+PyAPI_FUNC(int) PyIter_Check(PyObject *);
+
+/* Takes an iterator object and calls its tp_iternext slot,
+   returning the next value.
+
+   If the iterator is exhausted, this returns NULL without setting an
+   exception.
+
+   NULL with an exception means an error occurred. */
+PyAPI_FUNC(PyObject *) PyIter_Next(PyObject *);
+
+
+/* === Number Protocol ================================================== */
+
+/* Returns 1 if the object 'o' provides numeric protocols, and 0 otherwise.
+
+   This function always succeeds. */
+PyAPI_FUNC(int) PyNumber_Check(PyObject *o);
+
+/* Returns the result of adding o1 and o2, or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 + o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Add(PyObject *o1, PyObject *o2);
+
+/* Returns the result of subtracting o2 from o1, or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 - o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Subtract(PyObject *o1, PyObject *o2);
+
+/* Returns the result of multiplying o1 and o2, or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 * o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Multiply(PyObject *o1, PyObject *o2);
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
+/* This is the equivalent of the Python expression: o1 @ o2. */
+PyAPI_FUNC(PyObject *) PyNumber_MatrixMultiply(PyObject *o1, PyObject *o2);
+#endif
+
+/* Returns the result of dividing o1 by o2 giving an integral result,
+   or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 // o2. */
+PyAPI_FUNC(PyObject *) PyNumber_FloorDivide(PyObject *o1, PyObject *o2);
+
+/* Returns the result of dividing o1 by o2 giving a float result, or NULL on
+   failure.
+
+   This is the equivalent of the Python expression: o1 / o2. */
+PyAPI_FUNC(PyObject *) PyNumber_TrueDivide(PyObject *o1, PyObject *o2);
+
+/* Returns the remainder of dividing o1 by o2, or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 % o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Remainder(PyObject *o1, PyObject *o2);
+
+/* See the built-in function divmod.
+
+   Returns NULL on failure.
+
+   This is the equivalent of the Python expression: divmod(o1, o2). */
+PyAPI_FUNC(PyObject *) PyNumber_Divmod(PyObject *o1, PyObject *o2);
+
+/* See the built-in function pow. Returns NULL on failure.
+
+   This is the equivalent of the Python expression: pow(o1, o2, o3),
+   where o3 is optional. */
+PyAPI_FUNC(PyObject *) PyNumber_Power(PyObject *o1, PyObject *o2,
+                                      PyObject *o3);
+
+/* Returns the negation of o on success, or NULL on failure.
+
+ This is the equivalent of the Python expression: -o. */
+PyAPI_FUNC(PyObject *) PyNumber_Negative(PyObject *o);
+
+/* Returns the positive of o on success, or NULL on failure.
+
+   This is the equivalent of the Python expression: +o. */
+PyAPI_FUNC(PyObject *) PyNumber_Positive(PyObject *o);
+
+/* Returns the absolute value of 'o', or NULL on failure.
+
+   This is the equivalent of the Python expression: abs(o). */
+PyAPI_FUNC(PyObject *) PyNumber_Absolute(PyObject *o);
+
+/* Returns the bitwise negation of 'o' on success, or NULL on failure.
+
+   This is the equivalent of the Python expression: ~o. */
+PyAPI_FUNC(PyObject *) PyNumber_Invert(PyObject *o);
+
+/* Returns the result of left shifting o1 by o2 on success, or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 << o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Lshift(PyObject *o1, PyObject *o2);
+
+/* Returns the result of right shifting o1 by o2 on success, or NULL on
+   failure.
+
+   This is the equivalent of the Python expression: o1 >> o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Rshift(PyObject *o1, PyObject *o2);
+
+/* Returns the result of bitwise and of o1 and o2 on success, or NULL on
+   failure.
+
+   This is the equivalent of the Python expression: o1 & o2. */
+PyAPI_FUNC(PyObject *) PyNumber_And(PyObject *o1, PyObject *o2);
+
+/* Returns the bitwise exclusive or of o1 by o2 on success, or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 ^ o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Xor(PyObject *o1, PyObject *o2);
+
+/* Returns the result of bitwise or on o1 and o2 on success, or NULL on
+   failure.
+
+   This is the equivalent of the Python expression: o1 | o2. */
+PyAPI_FUNC(PyObject *) PyNumber_Or(PyObject *o1, PyObject *o2);
+
+/* Returns 1 if obj is an index integer (has the nb_index slot of the
+   tp_as_number structure filled in), and 0 otherwise. */
+PyAPI_FUNC(int) PyIndex_Check(PyObject *);
+
+/* Returns the object 'o' converted to a Python int, or NULL with an exception
+   raised on failure. */
+PyAPI_FUNC(PyObject *) PyNumber_Index(PyObject *o);
+
+/* Returns the object 'o' converted to Py_ssize_t by going through
+   PyNumber_Index() first.
+
+   If an overflow error occurs while converting the int to Py_ssize_t, then the
+   second argument 'exc' is the error-type to return.  If it is NULL, then the
+   overflow error is cleared and the value is clipped. */
+PyAPI_FUNC(Py_ssize_t) PyNumber_AsSsize_t(PyObject *o, PyObject *exc);
+
+/* Returns the object 'o' converted to an integer object on success, or NULL
+   on failure.
+
+   This is the equivalent of the Python expression: int(o). */
+PyAPI_FUNC(PyObject *) PyNumber_Long(PyObject *o);
+
+/* Returns the object 'o' converted to a float object on success, or NULL
+  on failure.
+
+  This is the equivalent of the Python expression: float(o). */
+PyAPI_FUNC(PyObject *) PyNumber_Float(PyObject *o);
+
+
+/* --- In-place variants of (some of) the above number protocol functions -- */
+
+/* Returns the result of adding o2 to o1, possibly in-place, or NULL
+   on failure.
+
+   This is the equivalent of the Python expression: o1 += o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceAdd(PyObject *o1, PyObject *o2);
+
+/* Returns the result of subtracting o2 from o1, possibly in-place or
+   NULL on failure.
+
+   This is the equivalent of the Python expression: o1 -= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceSubtract(PyObject *o1, PyObject *o2);
+
+/* Returns the result of multiplying o1 by o2, possibly in-place, or NULL on
+   failure.
+
+   This is the equivalent of the Python expression: o1 *= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceMultiply(PyObject *o1, PyObject *o2);
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
+/* This is the equivalent of the Python expression: o1 @= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceMatrixMultiply(PyObject *o1, PyObject *o2);
+#endif
+
+/* Returns the result of dividing o1 by o2 giving an integral result, possibly
+   in-place, or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 /= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceFloorDivide(PyObject *o1,
+                                                   PyObject *o2);
+
+/* Returns the result of dividing o1 by o2 giving a float result, possibly
+   in-place, or null on failure.
+
+   This is the equivalent of the Python expression: o1 /= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceTrueDivide(PyObject *o1,
+                                                  PyObject *o2);
+
+/* Returns the remainder of dividing o1 by o2, possibly in-place, or NULL on
+   failure.
+
+   This is the equivalent of the Python expression: o1 %= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceRemainder(PyObject *o1, PyObject *o2);
+
+/* Returns the result of raising o1 to the power of o2, possibly in-place,
+   or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 **= o2,
+   or o1 = pow(o1, o2, o3) if o3 is present. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlacePower(PyObject *o1, PyObject *o2,
+                                             PyObject *o3);
+
+/* Returns the result of left shifting o1 by o2, possibly in-place, or NULL
+   on failure.
+
+   This is the equivalent of the Python expression: o1 <<= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceLshift(PyObject *o1, PyObject *o2);
+
+/* Returns the result of right shifting o1 by o2, possibly in-place or NULL
+   on failure.
+
+   This is the equivalent of the Python expression: o1 >>= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceRshift(PyObject *o1, PyObject *o2);
+
+/* Returns the result of bitwise and of o1 and o2, possibly in-place, or NULL
+   on failure.
+
+   This is the equivalent of the Python expression: o1 &= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceAnd(PyObject *o1, PyObject *o2);
+
+/* Returns the bitwise exclusive or of o1 by o2, possibly in-place, or NULL
+   on failure.
+
+   This is the equivalent of the Python expression: o1 ^= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceXor(PyObject *o1, PyObject *o2);
+
+/* Returns the result of bitwise or of o1 and o2, possibly in-place,
+   or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 |= o2. */
+PyAPI_FUNC(PyObject *) PyNumber_InPlaceOr(PyObject *o1, PyObject *o2);
+
+/* Returns the integer n converted to a string with a base, with a base
+   marker of 0b, 0o or 0x prefixed if applicable.
+
+   If n is not an int object, it is converted with PyNumber_Index first. */
+PyAPI_FUNC(PyObject *) PyNumber_ToBase(PyObject *n, int base);
+
+
+/* === Sequence protocol ================================================ */
+
+/* Return 1 if the object provides sequence protocol, and zero
+   otherwise.
+
+   This function always succeeds. */
+PyAPI_FUNC(int) PySequence_Check(PyObject *o);
+
+/* Return the size of sequence object o, or -1 on failure. */
+PyAPI_FUNC(Py_ssize_t) PySequence_Size(PyObject *o);
+
+/* For DLL compatibility */
+#undef PySequence_Length
+PyAPI_FUNC(Py_ssize_t) PySequence_Length(PyObject *o);
+#define PySequence_Length PySequence_Size
+
+
+/* Return the concatenation of o1 and o2 on success, and NULL on failure.
+
+   This is the equivalent of the Python expression: o1 + o2. */
+PyAPI_FUNC(PyObject *) PySequence_Concat(PyObject *o1, PyObject *o2);
+
+/* Return the result of repeating sequence object 'o' 'count' times,
+  or NULL on failure.
+
+  This is the equivalent of the Python expression: o * count. */
+PyAPI_FUNC(PyObject *) PySequence_Repeat(PyObject *o, Py_ssize_t count);
+
+/* Return the ith element of o, or NULL on failure.
+
+   This is the equivalent of the Python expression: o[i]. */
+PyAPI_FUNC(PyObject *) PySequence_GetItem(PyObject *o, Py_ssize_t i);
+
+/* Return the slice of sequence object o between i1 and i2, or NULL on failure.
+
+   This is the equivalent of the Python expression: o[i1:i2]. */
+PyAPI_FUNC(PyObject *) PySequence_GetSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2);
+
+/* Assign object 'v' to the ith element of the sequence 'o'. Raise an exception
+   and return -1 on failure; return 0 on success.
+
+   This is the equivalent of the Python statement o[i] = v. */
+PyAPI_FUNC(int) PySequence_SetItem(PyObject *o, Py_ssize_t i, PyObject *v);
+
+/* Delete the 'i'-th element of the sequence 'v'. Returns -1 on failure.
+
+   This is the equivalent of the Python statement: del o[i]. */
+PyAPI_FUNC(int) PySequence_DelItem(PyObject *o, Py_ssize_t i);
+
+/* Assign the sequence object 'v' to the slice in sequence object 'o',
+   from 'i1' to 'i2'. Returns -1 on failure.
+
+   This is the equivalent of the Python statement: o[i1:i2] = v. */
+PyAPI_FUNC(int) PySequence_SetSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2,
+                                    PyObject *v);
+
+/* Delete the slice in sequence object 'o' from 'i1' to 'i2'.
+   Returns -1 on failure.
+
+   This is the equivalent of the Python statement: del o[i1:i2]. */
+PyAPI_FUNC(int) PySequence_DelSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2);
+
+/* Returns the sequence 'o' as a tuple on success, and NULL on failure.
+
+   This is equivalent to the Python expression: tuple(o). */
+PyAPI_FUNC(PyObject *) PySequence_Tuple(PyObject *o);
+
+/* Returns the sequence 'o' as a list on success, and NULL on failure.
+   This is equivalent to the Python expression: list(o) */
+PyAPI_FUNC(PyObject *) PySequence_List(PyObject *o);
+
+/* Return the sequence 'o' as a list, unless it's already a tuple or list.
+
+   Use PySequence_Fast_GET_ITEM to access the members of this list, and
+   PySequence_Fast_GET_SIZE to get its length.
+
+   Returns NULL on failure.  If the object does not support iteration, raises a
+   TypeError exception with 'm' as the message text. */
+PyAPI_FUNC(PyObject *) PySequence_Fast(PyObject *o, const char* m);
+
+/* Return the size of the sequence 'o', assuming that 'o' was returned by
+   PySequence_Fast and is not NULL. */
+#define PySequence_Fast_GET_SIZE(o) \
+    (PyList_Check(o) ? PyList_GET_SIZE(o) : PyTuple_GET_SIZE(o))
+
+/* Return the 'i'-th element of the sequence 'o', assuming that o was returned
+   by PySequence_Fast, and that i is within bounds. */
+#define PySequence_Fast_GET_ITEM(o, i)\
+     (PyList_Check(o) ? PyList_GET_ITEM(o, i) : PyTuple_GET_ITEM(o, i))
+
+/* Return a pointer to the underlying item array for
+   an object retured by PySequence_Fast */
+#define PySequence_Fast_ITEMS(sf) \
+    (PyList_Check(sf) ? ((PyListObject *)(sf))->ob_item \
+                      : ((PyTupleObject *)(sf))->ob_item)
+
+/* Return the number of occurrences on value on 'o', that is, return
+   the number of keys for which o[key] == value.
+
+   On failure, return -1.  This is equivalent to the Python expression:
+   o.count(value). */
+PyAPI_FUNC(Py_ssize_t) PySequence_Count(PyObject *o, PyObject *value);
+
+/* Return 1 if 'ob' is in the sequence 'seq'; 0 if 'ob' is not in the sequence
+   'seq'; -1 on error.
+
+   Use __contains__ if possible, else _PySequence_IterSearch(). */
+PyAPI_FUNC(int) PySequence_Contains(PyObject *seq, PyObject *ob);
+
+/* For DLL-level backwards compatibility */
+#undef PySequence_In
+/* Determine if the sequence 'o' contains 'value'. If an item in 'o' is equal
+   to 'value', return 1, otherwise return 0. On error, return -1.
+
+   This is equivalent to the Python expression: value in o. */
+PyAPI_FUNC(int) PySequence_In(PyObject *o, PyObject *value);
+
+/* For source-level backwards compatibility */
+#define PySequence_In PySequence_Contains
+
+
+/* Return the first index for which o[i] == value.
+   On error, return -1.
+
+   This is equivalent to the Python expression: o.index(value). */
+PyAPI_FUNC(Py_ssize_t) PySequence_Index(PyObject *o, PyObject *value);
+
+
+/* --- In-place versions of some of the above Sequence functions --- */
+
+/* Append sequence 'o2' to sequence 'o1', in-place when possible. Return the
+   resulting object, which could be 'o1', or NULL on failure.
+
+  This is the equivalent of the Python expression: o1 += o2. */
+PyAPI_FUNC(PyObject *) PySequence_InPlaceConcat(PyObject *o1, PyObject *o2);
+
+/* Repeat sequence 'o' by 'count', in-place when possible. Return the resulting
+   object, which could be 'o', or NULL on failure.
+
+   This is the equivalent of the Python expression: o1 *= count.  */
+PyAPI_FUNC(PyObject *) PySequence_InPlaceRepeat(PyObject *o, Py_ssize_t count);
+
+
+/* === Mapping protocol ================================================= */
+
+/* Return 1 if the object provides mapping protocol, and 0 otherwise.
+
+   This function always succeeds. */
+PyAPI_FUNC(int) PyMapping_Check(PyObject *o);
+
+/* Returns the number of keys in mapping object 'o' on success, and -1 on
+  failure. This is equivalent to the Python expression: len(o). */
+PyAPI_FUNC(Py_ssize_t) PyMapping_Size(PyObject *o);
+
+/* For DLL compatibility */
+#undef PyMapping_Length
+PyAPI_FUNC(Py_ssize_t) PyMapping_Length(PyObject *o);
+#define PyMapping_Length PyMapping_Size
+
+
+/* Implemented as a macro:
+
+   int PyMapping_DelItemString(PyObject *o, const char *key);
+
+   Remove the mapping for the string 'key' from the mapping 'o'. Returns -1 on
+   failure.
+
+   This is equivalent to the Python statement: del o[key]. */
+#define PyMapping_DelItemString(O,K) PyObject_DelItemString((O),(K))
+
+/* Implemented as a macro:
+
+   int PyMapping_DelItem(PyObject *o, PyObject *key);
+
+   Remove the mapping for the object 'key' from the mapping object 'o'.
+   Returns -1 on failure.
+
+   This is equivalent to the Python statement: del o[key]. */
+#define PyMapping_DelItem(O,K) PyObject_DelItem((O),(K))
+
+/* On success, return 1 if the mapping object 'o' has the key 'key',
+   and 0 otherwise.
+
+   This is equivalent to the Python expression: key in o.
+
+   This function always succeeds. */
+PyAPI_FUNC(int) PyMapping_HasKeyString(PyObject *o, const char *key);
+
+/* Return 1 if the mapping object has the key 'key', and 0 otherwise.
+
+   This is equivalent to the Python expression: key in o.
+
+   This function always succeeds. */
+PyAPI_FUNC(int) PyMapping_HasKey(PyObject *o, PyObject *key);
+
+/* On success, return a list or tuple of the keys in mapping object 'o'.
+   On failure, return NULL. */
+PyAPI_FUNC(PyObject *) PyMapping_Keys(PyObject *o);
+
+/* On success, return a list or tuple of the values in mapping object 'o'.
+   On failure, return NULL. */
+PyAPI_FUNC(PyObject *) PyMapping_Values(PyObject *o);
+
+/* On success, return a list or tuple of the items in mapping object 'o',
+   where each item is a tuple containing a key-value pair. On failure, return
+   NULL. */
+PyAPI_FUNC(PyObject *) PyMapping_Items(PyObject *o);
+
+/* Return element of 'o' corresponding to the string 'key' or NULL on failure.
+
+   This is the equivalent of the Python expression: o[key]. */
+PyAPI_FUNC(PyObject *) PyMapping_GetItemString(PyObject *o,
+                                               const char *key);
+
+/* Map the string 'key' to the value 'v' in the mapping 'o'.
+   Returns -1 on failure.
+
+   This is the equivalent of the Python statement: o[key]=v. */
+PyAPI_FUNC(int) PyMapping_SetItemString(PyObject *o, const char *key,
+                                        PyObject *value);
+
+/* isinstance(object, typeorclass) */
+PyAPI_FUNC(int) PyObject_IsInstance(PyObject *object, PyObject *typeorclass);
+
+/* issubclass(object, typeorclass) */
+PyAPI_FUNC(int) PyObject_IsSubclass(PyObject *object, PyObject *typeorclass);
+
+#ifndef Py_LIMITED_API
+#  define Py_CPYTHON_ABSTRACTOBJECT_H
+#  include  "cpython/abstract.h"
+#  undef Py_CPYTHON_ABSTRACTOBJECT_H
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* Py_ABSTRACTOBJECT_H */