HAVE_ARC4RANDOM
#if defined(HAVE_ARC4RANDOM)
#if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
#if !defined(HAVE_ARC4RANDOM_BUF) && defined(HAVE_ARC4RANDOM)
#ifndef HAVE_ARC4RANDOM
#ifndef HAVE_ARC4RANDOM
# if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
#ifndef HAVE_ARC4RANDOM