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The C and C++ Include Header Files

cat -n /usr/include/python3.14/internal/pycore_freelist_state.h

     1	#ifndef Py_INTERNAL_FREELIST_STATE_H
     2	#define Py_INTERNAL_FREELIST_STATE_H
     3	#ifdef __cplusplus
     4	extern "C" {
     5	#endif
     6	
     7	#ifndef Py_BUILD_CORE
     8	#  error "this header requires Py_BUILD_CORE define"
     9	#endif
    10	
    11	#  define PyTuple_MAXSAVESIZE 20     // Largest tuple to save on freelist
    12	#  define Py_tuple_MAXFREELIST 2000  // Maximum number of tuples of each size to save
    13	#  define Py_lists_MAXFREELIST 80
    14	#  define Py_list_iters_MAXFREELIST 10
    15	#  define Py_tuple_iters_MAXFREELIST 10
    16	#  define Py_dicts_MAXFREELIST 80
    17	#  define Py_dictkeys_MAXFREELIST 80
    18	#  define Py_floats_MAXFREELIST 100
    19	#  define Py_ints_MAXFREELIST 100
    20	#  define Py_slices_MAXFREELIST 1
    21	#  define Py_ranges_MAXFREELIST 6
    22	#  define Py_range_iters_MAXFREELIST 6
    23	#  define Py_contexts_MAXFREELIST 255
    24	#  define Py_async_gens_MAXFREELIST 80
    25	#  define Py_async_gen_asends_MAXFREELIST 80
    26	#  define Py_futureiters_MAXFREELIST 255
    27	#  define Py_object_stack_chunks_MAXFREELIST 4
    28	#  define Py_unicode_writers_MAXFREELIST 1
    29	#  define Py_pycfunctionobject_MAXFREELIST 16
    30	#  define Py_pycmethodobject_MAXFREELIST 16
    31	#  define Py_pymethodobjects_MAXFREELIST 20
    32	
    33	// A generic freelist of either PyObjects or other data structures.
    34	struct _Py_freelist {
    35	    // Entries are linked together using the first word of the object.
    36	    // For PyObjects, this overlaps with the `ob_refcnt` field or the `ob_tid`
    37	    // field.
    38	    void *freelist;
    39	
    40	    // The number of items in the free list or -1 if the free list is disabled
    41	    Py_ssize_t size;
    42	};
    43	
    44	struct _Py_freelists {
    45	    struct _Py_freelist floats;
    46	    struct _Py_freelist ints;
    47	    struct _Py_freelist tuples[PyTuple_MAXSAVESIZE];
    48	    struct _Py_freelist lists;
    49	    struct _Py_freelist list_iters;
    50	    struct _Py_freelist tuple_iters;
    51	    struct _Py_freelist dicts;
    52	    struct _Py_freelist dictkeys;
    53	    struct _Py_freelist slices;
    54	    struct _Py_freelist ranges;
    55	    struct _Py_freelist range_iters;
    56	    struct _Py_freelist contexts;
    57	    struct _Py_freelist async_gens;
    58	    struct _Py_freelist async_gen_asends;
    59	    struct _Py_freelist futureiters;
    60	    struct _Py_freelist object_stack_chunks;
    61	    struct _Py_freelist unicode_writers;
    62	    struct _Py_freelist pycfunctionobject;
    63	    struct _Py_freelist pycmethodobject;
    64	    struct _Py_freelist pymethodobjects;
    65	};
    66	
    67	#ifdef __cplusplus
    68	}
    69	#endif
    70	#endif /* !Py_INTERNAL_FREELIST_STATE_H */