fatal(errno, "error calling socketpair");
xshutdown(np[0], SHUT_WR); /* normalize reads from np[0] */
xshutdown(np[1], SHUT_RD); /* decoder writes to np[1] */
fatal(errno, "error calling socketpair");
xshutdown(np[0], SHUT_WR); /* normalize reads from np[0] */
xshutdown(np[1], SHUT_RD); /* decoder writes to np[1] */