[AC_DEFINE(socklen_t, int,[Socket length type])])
AC_CHECK_HEADERS(sys/syslog.h syslog.h)
+AC_CHECK_HEADERS(sys/time.h time.h)
AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
AC_CHECK_FUNCS(waitpid strlcpy strlcat innetgr initgroups memmove strdup)