--- a/sip-manual-out/disc_cmd.c	Fri Mar 17 13:45:31 2023 -0800
+++ b/sip-manual-out/disc_cmd.c	Fri Mar 17 14:31:54 2023 -0800
@@ -53,27 +53,3 @@
 	sip_tx_packet(&msg, &sip_dest_sin);
 	return(0);
 }
-
-void
-select_stdin()
-{
-	char buf[256], *cp;
-
-	fgets(buf, sizeof buf, stdin);
-	cp = index(buf, '\n');
-	if (cp) {
-		while (cp > buf && isspace(cp[-1]))
-			cp--;
-		*cp = '\0';
-	}
-	for (cp = buf; isspace(*cp); cp++)
-		;
-	if (!*cp)
-		return;
-	if (!strcmp(cp, "b") || !strcasecmp(cp, "bye"))
-		send_bye_req();
-	else if (!strcmp(cp, "c") || !strcasecmp(cp, "cancel"))
-		send_cancel_req();
-	else
-		fprintf(stderr, "error: non-understood stdin command\n");
-}