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The C and C++ Include Header Files

cat -n /usr/include/python3.14/Python.h

     1	// Entry point of the Python C API.
     2	// C extensions should only #include <Python.h>, and not include directly
     3	// the other Python header files included by <Python.h>.
     4	
     5	#ifndef Py_PYTHON_H
     6	#define Py_PYTHON_H
     7	
     8	// Since this is a "meta-include" file, "#ifdef __cplusplus / extern "C" {"
     9	// is not needed.
    10	
    11	
    12	// Include Python header files
    13	#include "patchlevel.h"
    14	#include "pyconfig.h"
    15	#include "pymacconfig.h"
    16	
    17	
    18	// Include standard header files
    19	// When changing these files, remember to update Doc/extending/extending.rst.
    20	#include <assert.h>               // assert()
    21	#include <inttypes.h>             // uintptr_t
    22	#include <limits.h>               // INT_MAX
    23	#include <math.h>                 // HUGE_VAL
    24	#include <stdarg.h>               // va_list
    25	#include <wchar.h>                // wchar_t
    26	#ifdef HAVE_SYS_TYPES_H
    27	#  include <sys/types.h>          // ssize_t
    28	#endif
    29	
    30	// <errno.h>, <stdio.h>, <stdlib.h> and <string.h> headers are no longer used
    31	// by Python, but kept for the backward compatibility of existing third party C
    32	// extensions. They are not included by limited C API version 3.11 and newer.
    33	//
    34	// The <ctype.h> and <unistd.h> headers are not included by limited C API
    35	// version 3.13 and newer.
    36	#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
    37	#  include <errno.h>              // errno
    38	#  include <stdio.h>              // FILE*
    39	#  include <stdlib.h>             // getenv()
    40	#  include <string.h>             // memcpy()
    41	#endif
    42	#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030d0000
    43	#  include <ctype.h>              // tolower()
    44	#  ifndef MS_WINDOWS
    45	#    include <unistd.h>           // close()
    46	#  endif
    47	#endif
    48	
    49	// gh-111506: The free-threaded build is not compatible with the limited API
    50	// or the stable ABI.
    51	#if defined(Py_LIMITED_API) && defined(Py_GIL_DISABLED)
    52	#  error "The limited API is not currently supported in the free-threaded build"
    53	#endif
    54	
    55	#if defined(Py_GIL_DISABLED) && defined(_MSC_VER)
    56	#  include <intrin.h>             // __readgsqword()
    57	#endif
    58	
    59	#if defined(Py_GIL_DISABLED) && defined(__MINGW32__)
    60	#  include <intrin.h>             // __readgsqword()
    61	#endif
    62	
    63	// Include Python header files
    64	#include "pyport.h"
    65	#include "pymacro.h"
    66	#include "pymath.h"
    67	#include "pymem.h"
    68	#include "pytypedefs.h"
    69	#include "pybuffer.h"
    70	#include "pystats.h"
    71	#include "pyatomic.h"
    72	#include "lock.h"
    73	#include "critical_section.h"
    74	#include "object.h"
    75	#include "refcount.h"
    76	#include "objimpl.h"
    77	#include "typeslots.h"
    78	#include "pyhash.h"
    79	#include "cpython/pydebug.h"
    80	#include "bytearrayobject.h"
    81	#include "bytesobject.h"
    82	#include "unicodeobject.h"
    83	#include "pyerrors.h"
    84	#include "longobject.h"
    85	#include "cpython/longintrepr.h"
    86	#include "boolobject.h"
    87	#include "floatobject.h"
    88	#include "complexobject.h"
    89	#include "rangeobject.h"
    90	#include "memoryobject.h"
    91	#include "tupleobject.h"
    92	#include "listobject.h"
    93	#include "dictobject.h"
    94	#include "cpython/odictobject.h"
    95	#include "enumobject.h"
    96	#include "setobject.h"
    97	#include "methodobject.h"
    98	#include "moduleobject.h"
    99	#include "monitoring.h"
   100	#include "cpython/funcobject.h"
   101	#include "cpython/classobject.h"
   102	#include "fileobject.h"
   103	#include "pycapsule.h"
   104	#include "cpython/code.h"
   105	#include "pyframe.h"
   106	#include "traceback.h"
   107	#include "sliceobject.h"
   108	#include "cpython/cellobject.h"
   109	#include "iterobject.h"
   110	#include "cpython/initconfig.h"
   111	#include "pystate.h"
   112	#include "cpython/genobject.h"
   113	#include "descrobject.h"
   114	#include "genericaliasobject.h"
   115	#include "warnings.h"
   116	#include "weakrefobject.h"
   117	#include "structseq.h"
   118	#include "cpython/picklebufobject.h"
   119	#include "cpython/pytime.h"
   120	#include "codecs.h"
   121	#include "pythread.h"
   122	#include "cpython/context.h"
   123	#include "modsupport.h"
   124	#include "compile.h"
   125	#include "pythonrun.h"
   126	#include "pylifecycle.h"
   127	#include "ceval.h"
   128	#include "sysmodule.h"
   129	#include "audit.h"
   130	#include "osmodule.h"
   131	#include "intrcheck.h"
   132	#include "import.h"
   133	#include "abstract.h"
   134	#include "bltinmodule.h"
   135	#include "cpython/pyctype.h"
   136	#include "pystrtod.h"
   137	#include "pystrcmp.h"
   138	#include "fileutils.h"
   139	#include "cpython/pyfpe.h"
   140	#include "cpython/tracemalloc.h"
   141	
   142	#endif /* !Py_PYTHON_H */