_XPG4
#if defined(__EXTENSIONS__) || defined(_XPG4)
#if defined(__EXTENSIONS__) || defined(_XPG4)
#if !defined(_XPG4) || defined(_XPG5)
#if defined(_XPG4) && !defined(_FILEDEFED) || __cplusplus >= 199711L
#if !defined(_XPG4) || defined(_XPG5)
#if defined(_XPG4) && !defined(_XPG5) /* XPG4 or XPG4v2 */
#if !defined(_XPG4) || defined(_XPG5)
#if !defined(_XPG4) || defined(_XPG5)
#if defined(_XPG4) && !defined(_VA_LIST)
defined(_XPG4)
(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
#if defined(__EXTENSIONS__) || defined(_XPG4)
defined(_XPG4) || defined(__EXTENSIONS__)
#if defined(_XPG4) || defined(__EXTENSIONS__)
#if defined(_XPG4) || defined(__EXTENSIONS__)
#if defined(_XPG4) || defined(__EXTENSIONS__)
#if (!defined(__XOPEN_OR_POSIX) || (defined(_XPG3) && !defined(_XPG4))) || \
#if defined(_XPG4)
#if (!defined(_XPG4) && !defined(_XPG4_2) || defined(_XPG5))
#if defined(_XPG4) && !defined(_FILEDEFED) || __cplusplus >= 199711L
#ifndef _XPG4
#if defined(_XPG4)