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The C and C++ Include Header Files

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

     1	#ifndef Py_FILEUTILS_H
     2	#define Py_FILEUTILS_H
     3	
     4	/*******************************
     5	 * stat() and fstat() fiddling *
     6	 *******************************/
     7	
     8	#ifdef HAVE_SYS_STAT_H
     9	#  include <sys/stat.h>           // S_ISREG()
    10	#elif defined(HAVE_STAT_H)
    11	#  include <stat.h>               // S_ISREG()
    12	#endif
    13	
    14	#ifndef S_IFMT
    15	   // VisualAge C/C++ Failed to Define MountType Field in sys/stat.h.
    16	#  define S_IFMT 0170000
    17	#endif
    18	#ifndef S_IFLNK
    19	   // Windows doesn't define S_IFLNK, but posixmodule.c maps
    20	   // IO_REPARSE_TAG_SYMLINK to S_IFLNK.
    21	#  define S_IFLNK 0120000
    22	#endif
    23	#ifndef S_ISREG
    24	#  define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
    25	#endif
    26	#ifndef S_ISDIR
    27	#  define S_ISDIR(x) (((x) & S_IFMT) == S_IFDIR)
    28	#endif
    29	#ifndef S_ISCHR
    30	#  define S_ISCHR(x) (((x) & S_IFMT) == S_IFCHR)
    31	#endif
    32	#ifndef S_ISLNK
    33	#  define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
    34	#endif
    35	
    36	
    37	// Move this down here since some C++ #include's don't like to be included
    38	// inside an extern "C".
    39	#ifdef __cplusplus
    40	extern "C" {
    41	#endif
    42	
    43	#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
    44	PyAPI_FUNC(wchar_t *) Py_DecodeLocale(
    45	    const char *arg,
    46	    size_t *size);
    47	
    48	PyAPI_FUNC(char*) Py_EncodeLocale(
    49	    const wchar_t *text,
    50	    size_t *error_pos);
    51	#endif
    52	
    53	#ifndef Py_LIMITED_API
    54	#  define Py_CPYTHON_FILEUTILS_H
    55	#  include "cpython/fileutils.h"
    56	#  undef Py_CPYTHON_FILEUTILS_H
    57	#endif
    58	
    59	#ifdef __cplusplus
    60	}
    61	#endif
    62	#endif /* !Py_FILEUTILS_H */