__EXTENSIONS__
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#ifndef __EXTENSIONS__
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#if defined(_XPG4_2) && !defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_POSIX_C_SOURCE) || defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
defined(__EXTENSIONS__)
#if !defined(_KERNEL) && !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) || \
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) || \
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if defined(_XPG4_2) && !defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)