--- libelwix/example/test_rbuf.c	2025/09/26 10:00:46	1.1.2.1
+++ libelwix/example/test_rbuf.c	2025/09/26 10:08:18	1.1.2.2
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
 #include <elwix.h>
 
 
@@ -29,7 +30,7 @@ main(int argc, char **argv)
 	printf("Buffer is full? %d\n", rbuf_isfull(&rbuf));
 	printf("Result dequeue %d\n", (res = rbuf_dequeue(&rbuf, &iov)));
 	if (!res)
-		printf("iov.iov_base=%p==%p iov.iov_size=%u==%u\n", iov.iov_base, argv[0], iov.iov_len, argv[0] ? strlen(argv[0]) : 0);
+		printf("iov.iov_base=%p==%p iov.iov_size=%zu==%u\n", iov.iov_base, argv[0], iov.iov_len, (u_int) (argv[0] ? strlen(argv[0]) : 0));
 	printf("Buffer is empty? %d\n", rbuf_isempty(&rbuf));
 	printf("Buffer is full? %d\n", rbuf_isfull(&rbuf));
 
@@ -38,7 +39,7 @@ main(int argc, char **argv)
 	printf("Buffer is empty? %d\n", rbuf_isempty(&rbuf));
 	printf("Buffer is full? %d\n", rbuf_isfull(&rbuf));
 	for (i = 0; i < argc && !(res = rbuf_dequeue(&rbuf, &iov)); i++)
-		printf("Result dequeue arg#%d %d = (%d)/%s\n", i, res, iov.iov_len, iov.iov_base);
+		printf("Result dequeue arg#%d %d = (%zu)/%s\n", i, res, iov.iov_len, (char*) iov.iov_base);
 	printf("Buffer must be empty? 1==%d\n", rbuf_isempty(&rbuf));
 	printf("Buffer is full? %d\n", rbuf_isfull(&rbuf));