File: //usr/include/python3.12/osdefs.h
#ifndef Py_OSDEFS_H
#define Py_OSDEFS_H
#ifdef __cplusplus
extern "C" {
#endif
/* Operating system dependencies */
#ifdef MS_WINDOWS
#define SEP L'\\'
#define ALTSEP L'/'
#define MAXPATHLEN 256
#define DELIM L';'
#endif
#ifdef __VXWORKS__
#define DELIM L';'
#endif
/* Filename separator */
#ifndef SEP
#define SEP L'/'
#endif
/* Max pathname length */
#ifdef __hpux
#include <sys/param.h>
#include <limits.h>
#ifndef PATH_MAX
#define PATH_MAX MAXPATHLEN
#endif
#endif
#ifndef MAXPATHLEN
#if defined(PATH_MAX) && PATH_MAX > 1024
#define MAXPATHLEN PATH_MAX
#else
#define MAXPATHLEN 1024
#endif
#endif
/* Search path entry delimiter */
#ifndef DELIM
#define DELIM L':'
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_OSDEFS_H */