_BSD_SOURCE
#if defined(_BSD_SOURCE) || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L)
#if defined(_BSD_SOURCE) \
#if defined(_BSD_SOURCE) \
#ifndef _BSD_SOURCE
#if defined(OMITTED__D_BSD_SOURCE) && !defined(_BSD_SOURCE)
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)