FM / python3.10

/usr/include/python3.10

Name	Size	Mode	Actions
cpython/	-	0755	rm
internal/	-	0755	rm
abstract.h	31405	0644	edit dl rm
bltinmodule.h	264	0644	edit dl rm
boolobject.h	1224	0644	edit dl rm
bytearrayobject.h	1484	0644	edit dl rm
bytesobject.h	2593	0644	edit dl rm
cellobject.h	720	0644	edit dl rm
ceval.h	5703	0644	edit dl rm
classobject.h	1657	0644	edit dl rm
code.h	318	0644	edit dl rm
codecs.h	7071	0644	edit dl rm
compile.h	520	0644	edit dl rm
complexobject.h	1806	0644	edit dl rm
context.h	1962	0644	edit dl rm
datetime.h	9635	0644	edit dl rm
descrobject.h	3002	0644	edit dl rm
dictobject.h	3853	0644	edit dl rm
dynamic_annotations.h	22471	0644	edit dl rm
enumobject.h	253	0644	edit dl rm
errcode.h	1700	0644	edit dl rm
eval.h	831	0644	edit dl rm
exports.h	1098	0644	edit dl rm
fileobject.h	1571	0644	edit dl rm
fileutils.h	508	0644	edit dl rm
floatobject.h	4360	0644	edit dl rm
frameobject.h	337	0644	edit dl rm
funcobject.h	4257	0644	edit dl rm
genericaliasobject.h	334	0644	edit dl rm
genobject.h	3347	0644	edit dl rm
graminit.h	0	0644	edit dl rm
import.h	3026	0644	edit dl rm
interpreteridobject.h	334	0644	edit dl rm
intrcheck.h	772	0644	edit dl rm
iterobject.h	593	0644	edit dl rm
listobject.h	1781	0644	edit dl rm
longintrepr.h	3799	0644	edit dl rm
longobject.h	8606	0644	edit dl rm
marshal.h	803	0644	edit dl rm
memoryobject.h	2764	0644	edit dl rm
methodobject.h	4147	0644	edit dl rm
modsupport.h	10333	0644	edit dl rm
moduleobject.h	2458	0644	edit dl rm
namespaceobject.h	349	0644	edit dl rm
object.h	28344	0644	edit dl rm
objimpl.h	8445	0644	edit dl rm
opcode.h	5509	0644	edit dl rm
osdefs.h	737	0644	edit dl rm
osmodule.h	291	0644	edit dl rm
patchlevel.h	1301	0644	edit dl rm
pycapsule.h	1725	0644	edit dl rm
pyconfig.h	4159	0644	edit dl rm
pydtrace.h	2413	0644	edit dl rm
pyerrors.h	12426	0644	edit dl rm
pyexpat.h	2450	0644	edit dl rm
pyframe.h	466	0644	edit dl rm
pyhash.h	4223	0644	edit dl rm
pylifecycle.h	2080	0644	edit dl rm
pymacconfig.h	2989	0644	edit dl rm
pymacro.h	4920	0644	edit dl rm
pymath.h	8313	0644	edit dl rm
pymem.h	3891	0644	edit dl rm
pyport.h	31684	0644	edit dl rm
pystate.h	5250	0644	edit dl rm
pystrcmp.h	436	0644	edit dl rm
pystrhex.h	849	0644	edit dl rm
pystrtod.h	1483	0644	edit dl rm
Python.h	3224	0644	edit dl rm
pythonrun.h	1110	0644	edit dl rm
pythread.h	5989	0644	edit dl rm
py_curses.h	2474	0644	edit dl rm
rangeobject.h	628	0644	edit dl rm
setobject.h	3381	0644	edit dl rm
sliceobject.h	2516	0644	edit dl rm
structmember.h	2074	0644	edit dl rm
structseq.h	1390	0644	edit dl rm
sysmodule.h	1242	0644	edit dl rm
token.h	2669	0644	edit dl rm
traceback.h	584	0644	edit dl rm
tracemalloc.h	1114	0644	edit dl rm
tupleobject.h	1614	0644	edit dl rm
typeslots.h	2460	0644	edit dl rm
unicodeobject.h	36148	0644	edit dl rm
warnings.h	1776	0644	edit dl rm
weakrefobject.h	2863	0644	edit dl rm

Edit: /usr/include/python3.10/pyhash.h (4223B)

#ifndef Py_HASH_H

#define Py_HASH_H
#ifdef __cplusplus
extern "C" {
#endif

/* Helpers for hash functions */
#ifndef Py_LIMITED_API
PyAPI_FUNC(Py_hash_t) _Py_HashDouble(PyObject *, double);
PyAPI_FUNC(Py_hash_t) _Py_HashPointer(const void*);
// Similar to _Py_HashPointer(), but don't replace -1 with -2
PyAPI_FUNC(Py_hash_t) _Py_HashPointerRaw(const void*);
PyAPI_FUNC(Py_hash_t) _Py_HashBytes(const void*, Py_ssize_t);
#endif

/* Prime multiplier used in string and various other hashes. */
#define _PyHASH_MULTIPLIER 1000003UL  /* 0xf4243 */

/* Parameters used for the numeric hash implementation.  See notes for
   _Py_HashDouble in Python/pyhash.c.  Numeric hashes are based on
   reduction modulo the prime 2**_PyHASH_BITS - 1. */

#if SIZEOF_VOID_P >= 8
#  define _PyHASH_BITS 61
#else
#  define _PyHASH_BITS 31
#endif

#define _PyHASH_MODULUS (((size_t)1 << _PyHASH_BITS) - 1)
#define _PyHASH_INF 314159
#define _PyHASH_IMAG _PyHASH_MULTIPLIER

/* hash secret
 *
 * memory layout on 64 bit systems
 *   cccccccc cccccccc cccccccc  uc -- unsigned char[24]
 *   pppppppp ssssssss ........  fnv -- two Py_hash_t
 *   k0k0k0k0 k1k1k1k1 ........  siphash -- two uint64_t
 *   ........ ........ ssssssss  djbx33a -- 16 bytes padding + one Py_hash_t
 *   ........ ........ eeeeeeee  pyexpat XML hash salt
 *
 * memory layout on 32 bit systems
 *   cccccccc cccccccc cccccccc  uc
 *   ppppssss ........ ........  fnv -- two Py_hash_t
 *   k0k0k0k0 k1k1k1k1 ........  siphash -- two uint64_t (*)
 *   ........ ........ ssss....  djbx33a -- 16 bytes padding + one Py_hash_t
 *   ........ ........ eeee....  pyexpat XML hash salt
 *
 * (*) The siphash member may not be available on 32 bit platforms without
 *     an unsigned int64 data type.
 */
#ifndef Py_LIMITED_API
typedef union {
    /* ensure 24 bytes */
    unsigned char uc[24];
    /* two Py_hash_t for FNV */
    struct {
        Py_hash_t prefix;
        Py_hash_t suffix;
    } fnv;
    /* two uint64 for SipHash24 */
    struct {
        uint64_t k0;
        uint64_t k1;
    } siphash;
    /* a different (!) Py_hash_t for small string optimization */
    struct {
        unsigned char padding[16];
        Py_hash_t suffix;
    } djbx33a;
    struct {
        unsigned char padding[16];
        Py_hash_t hashsalt;
    } expat;
} _Py_HashSecret_t;
PyAPI_DATA(_Py_HashSecret_t) _Py_HashSecret;

#ifdef Py_DEBUG
PyAPI_DATA(int) _Py_HashSecret_Initialized;
#endif

/* hash function definition */
typedef struct {
    Py_hash_t (*const hash)(const void *, Py_ssize_t);
    const char *name;
    const int hash_bits;
    const int seed_bits;
} PyHash_FuncDef;

PyAPI_FUNC(PyHash_FuncDef*) PyHash_GetFuncDef(void);
#endif

/* cutoff for small string DJBX33A optimization in range [1, cutoff).
 *
 * About 50% of the strings in a typical Python application are smaller than
 * 6 to 7 chars. However DJBX33A is vulnerable to hash collision attacks.
 * NEVER use DJBX33A for long strings!
 *
 * A Py_HASH_CUTOFF of 0 disables small string optimization. 32 bit platforms
 * should use a smaller cutoff because it is easier to create colliding
 * strings. A cutoff of 7 on 64bit platforms and 5 on 32bit platforms should
 * provide a decent safety margin.
 */
#ifndef Py_HASH_CUTOFF
#  define Py_HASH_CUTOFF 0
#elif (Py_HASH_CUTOFF > 7 || Py_HASH_CUTOFF < 0)
#  error Py_HASH_CUTOFF must in range 0...7.
#endif /* Py_HASH_CUTOFF */

/* hash algorithm selection
 *
 * The values for Py_HASH_SIPHASH24 and Py_HASH_FNV are hard-coded in the
 * configure script.
 *
 * - FNV is available on all platforms and architectures.
 * - SIPHASH24 only works on platforms that don't require aligned memory for integers.
 * - With EXTERNAL embedders can provide an alternative implementation with::
 *
 *     PyHash_FuncDef PyHash_Func = {...};
 *
 * XXX: Figure out __declspec() for extern PyHash_FuncDef.
 */
#define Py_HASH_EXTERNAL 0
#define Py_HASH_SIPHASH24 1
#define Py_HASH_FNV 2

#ifndef Py_HASH_ALGORITHM
#  ifndef HAVE_ALIGNED_REQUIRED
#    define Py_HASH_ALGORITHM Py_HASH_SIPHASH24
#  else
#    define Py_HASH_ALGORITHM Py_HASH_FNV
#  endif /* uint64_t && uint32_t && aligned */
#endif /* Py_HASH_ALGORITHM */

#ifdef __cplusplus
}
#endif

#endif /* !Py_HASH_H */

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