Index: uspace/app/ping/ping.c
===================================================================
--- uspace/app/ping/ping.c	(revision d5c1051faf4391647834d99babdd4a44ee5d9700)
+++ uspace/app/ping/ping.c	(revision 0247bd24eab20736d9bd6ad605a5fffbf6d4fc4c)
@@ -71,5 +71,5 @@
 static FIBRIL_MUTEX_INITIALIZE(quit_lock);
 
-static int ping_ev_recv(inetping_sdu_t *);
+static errno_t ping_ev_recv(inetping_sdu_t *);
 
 static inetping_ev_ops_t ev_ops = {
@@ -109,8 +109,8 @@
 }
 
-static int ping_ev_recv(inetping_sdu_t *sdu)
+static errno_t ping_ev_recv(inetping_sdu_t *sdu)
 {
 	char *asrc;
-	int rc = inet_addr_format(&src_addr, &asrc);
+	errno_t rc = inet_addr_format(&src_addr, &asrc);
 	if (rc != EOK)
 		return ENOMEM;
@@ -133,5 +133,5 @@
 }
 
-static int ping_send(uint16_t seq_no)
+static errno_t ping_send(uint16_t seq_no)
 {
 	inetping_sdu_t sdu;
@@ -143,5 +143,5 @@
 	sdu.size = 3;
 	
-	int rc = inetping_send(&sdu);
+	errno_t rc = inetping_send(&sdu);
 	if (rc != EOK)
 		printf("Failed sending echo request: %s: %s.\n",
@@ -151,5 +151,5 @@
 }
 
-static int transmit_fibril(void *arg)
+static errno_t transmit_fibril(void *arg)
 {
 	uint16_t seq_no = 0;
@@ -163,5 +163,5 @@
 		
 		fibril_mutex_lock(&received_lock);
-		int rc = fibril_condvar_wait_timeout(&received_cv, &received_lock,
+		errno_t rc = fibril_condvar_wait_timeout(&received_cv, &received_lock,
 		    PING_TIMEOUT);
 		received_t recv = received;
@@ -190,5 +190,5 @@
 }
 
-static int input_fibril(void *arg)
+static errno_t input_fibril(void *arg)
 {
 	console_ctrl_t *con = console_init(stdin, stdout);
@@ -222,5 +222,5 @@
 	ip_ver_t ip_ver = ip_any;
 	
-	int rc = inetping_init(&ev_ops);
+	errno_t rc = inetping_init(&ev_ops);
 	if (rc != EOK) {
 		printf("Failed connecting to internet ping service: "