cpython/Include/osdefs.h

// Operating system dependencies.
//
// Define constants:
//
// - ALTSEP
// - DELIM
// - MAXPATHLEN
// - SEP

#ifndef Py_OSDEFS_H
#define Py_OSDEFS_H
#ifdef __cplusplus
extern "C" {
#endif

#ifdef MS_WINDOWS
#define SEP …
#define ALTSEP …
#define MAXPATHLEN …
#define DELIM …
#endif

#ifdef __VXWORKS__
#define DELIM …
#endif

/* Filename separator */
#ifndef SEP
#define SEP …
#endif

/* Max pathname length */
#ifdef __hpux
#  include <sys/param.h>
#  include <limits.h>
#  ifndef PATH_MAX
#define PATH_MAX …
#  endif
#endif

#ifndef MAXPATHLEN
#  if defined(PATH_MAX) && PATH_MAX > 1024
#define MAXPATHLEN …
#  else
#define MAXPATHLEN …
#  endif
#endif

/* Search path entry delimiter */
#ifndef DELIM
#define DELIM …
#endif

#ifdef __cplusplus
}
#endif
#endif   // !Py_OSDEFS_H