AC_CHECK_FUNCS([gettimeofday getrusage getrlimit setrlimit clock_gettime])
AC_CHECK_FUNCS([atexit raise getpagesize strftime nl_langinfo setlocale])
AC_CHECK_FUNCS([waitpid wait4 sigaction sigprocmask pipe getaddrinfo])
AC_CHECK_FUNCS([gettimeofday getrusage getrlimit setrlimit clock_gettime])
AC_CHECK_FUNCS([atexit raise getpagesize strftime nl_langinfo setlocale])
AC_CHECK_FUNCS([waitpid wait4 sigaction sigprocmask pipe getaddrinfo])