cpython/Include/internal/pycore_list.h

#ifndef Py_INTERNAL_LIST_H
#define Py_INTERNAL_LIST_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

PyAPI_FUNC(PyObject*) _PyList_Extend(PyListObject *, PyObject *);
extern void _PyList_DebugMallocStats(FILE *out);
// _PyList_GetItemRef should be used only when the object is known as a list
// because it doesn't raise TypeError when the object is not a list, whereas PyList_GetItemRef does.
extern PyObject* _PyList_GetItemRef(PyListObject *, Py_ssize_t i);

#define _PyList_ITEMS(op) …

PyAPI_FUNC(int)
_PyList_AppendTakeRefListResize(PyListObject *self, PyObject *newitem);

// In free-threaded build: self should be locked by the caller, if it should be thread-safe.
static inline int
_PyList_AppendTakeRef(PyListObject *self, PyObject *newitem)
{ … }

// Repeat the bytes of a buffer in place
static inline void
_Py_memory_repeat(char* dest, Py_ssize_t len_dest, Py_ssize_t len_src)
{ … }

_PyListIterObject;

_PyStackRef;

PyAPI_FUNC(PyObject *)_PyList_FromStackRefSteal(const union _PyStackRef *src, Py_ssize_t n);


#ifdef __cplusplus
}
#endif
#endif   /* !Py_INTERNAL_LIST_H */