AC_CHECK_FUNCS(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))
AC_CHECK_FUNCS(strchr memcpy strstr strcmp strncmp strncpy strlen)
AC_CHECK_FUNCS(strncasecmp strcasecmp)
+AC_CHECK_FUNCS(openlog syslog closelog)
# For cpu module
AC_CHECK_FUNCS(sysctlbyname, [have_sysctlbyname="yes"], [have_sysctlbyname="no"])