strstr waitpid],,AC_MSG_ERROR([required function missing!]))
AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat)
strstr waitpid],,AC_MSG_ERROR([required function missing!]))
AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat)