# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef close
# define close close_used_without_including_unistd_h
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef close
# define close close_used_without_including_unistd_h
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef gethostname
# define gethostname gethostname_used_without_including_unistd_h
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef gethostname
# define gethostname gethostname_used_without_including_unistd_h