AC_TYPE_SIGNAL
AC_CHECK_FUNCS([asprintf daemon fcloseall flock ftime get_current_dir_name \
putenv select strdup strerror strsignal strtol unsetenv \
AC_TYPE_SIGNAL
AC_CHECK_FUNCS([asprintf daemon fcloseall flock ftime get_current_dir_name \
putenv select strdup strerror strsignal strtol unsetenv \