--- libelwix/example/test_lrbuf.c	2026/02/10 16:15:38	1.1.2.2
+++ libelwix/example/test_lrbuf.c	2026/02/10 17:50:00	1.2
@@ -13,26 +13,53 @@ main(int argc, char **argv)
 	res = lrb_init(&lrb, 32);
 	printf("lrb_init(32) -> #%d\n", res);
 
+	lrb_queued(&lrb, res);
+	printf("lrb_queued -> #%d\n", res);
+	lrb_unused(&lrb, res);
+	printf("lrb_unused -> #%d\n", res);
+
 	while (fgets(line, sizeof line - 1, stdin)) {
 		if (!strcmp(line, ".\n"))
 			break;
 		printf("isempty() -> #%d\n", lrb_isempty(&lrb));
 		printf("isfull() -> #%d\n", lrb_isfull(&lrb));
 
+		lrb_queued(&lrb, res);
+		printf("e1_lrb_queued -> #%d\n", res);
+		lrb_unused(&lrb, res);
+		printf("e1_lrb_unused -> #%d\n", res);
 		res = lrb_enqueue(&lrb, line, strlen(line), argc > 1);
 		printf("lrb_enqueue(%d, %d) -> #%d\n", strlen(line), argc > 1, res);
+		lrb_queued(&lrb, res);
+		printf("e2_lrb_queued -> #%d\n", res);
+		lrb_unused(&lrb, res);
+		printf("e2_lrb_unused -> #%d\n", res);
 	}
 
+	lrb_queued(&lrb, res);
+	printf("lrb_queued -> #%d\n", res);
+	lrb_unused(&lrb, res);
+	printf("lrb_unused -> #%d\n", res);
+
 	while (fgets(line, sizeof line - 1, stdin)) {
 		if (!strcmp(line, ".\n"))
 			break;
 		printf("isempty() -> #%d\n", lrb_isempty(&lrb));
 		printf("isfull() -> #%d\n", lrb_isfull(&lrb));
 
+		lrb_queued(&lrb, res);
+		printf("d1_lrb_queued -> #%d\n", res);
+		lrb_unused(&lrb, res);
+		printf("d1_lrb_unused -> #%d\n", res);
 		len = strtol(line, NULL, 10);
+		memset(line, 0, sizeof line);
 		res = lrb_dequeue(&lrb, line, MIN(len, sizeof line));
 		printf("lrb_dequeue(%d) -> #%d\n", len, res);
 		printf("LINE='%s'\n", line);
+		lrb_queued(&lrb, res);
+		printf("d2_lrb_queued -> #%d\n", res);
+		lrb_unused(&lrb, res);
+		printf("d2_lrb_unused -> #%d\n", res);
 	}
 
 	lrb_queued(&lrb, res);
@@ -42,6 +69,15 @@ main(int argc, char **argv)
 
 	res = lrb_dequeue(&lrb, NULL, 2);
 	printf("lrb_dequeue(2) -> #%d\n", res);
+
+	lrb_queued(&lrb, res);
+	printf("lrb_queued -> #%d\n", res);
+	lrb_unused(&lrb, res);
+	printf("lrb_unused -> #%d\n", res);
+
+	lrb_purge(&lrb);
+	printf("isempty() -> #%d\n", lrb_isempty(&lrb));
+	printf("isfull() -> #%d\n", lrb_isfull(&lrb));
 
 	lrb_free(&lrb);
 	printf("Done.\n");