Index: uspace/srv/net/loopip/loopip.c
===================================================================
--- uspace/srv/net/loopip/loopip.c	(revision c1694b6b243b360b5f1fbf0629b5e7d4f7f4a515)
+++ uspace/srv/net/loopip/loopip.c	(revision a53ed3a8097360ccf174e8d94fb407db919eb66a)
@@ -49,12 +49,12 @@
 #define NAME  "loopip"
 
-static int loopip_open(iplink_srv_t *srv);
-static int loopip_close(iplink_srv_t *srv);
-static int loopip_send(iplink_srv_t *srv, iplink_sdu_t *sdu);
-static int loopip_send6(iplink_srv_t *srv, iplink_sdu6_t *sdu);
-static int loopip_get_mtu(iplink_srv_t *srv, size_t *mtu);
-static int loopip_get_mac48(iplink_srv_t *srv, addr48_t *mac);
-static int loopip_addr_add(iplink_srv_t *srv, inet_addr_t *addr);
-static int loopip_addr_remove(iplink_srv_t *srv, inet_addr_t *addr);
+static errno_t loopip_open(iplink_srv_t *srv);
+static errno_t loopip_close(iplink_srv_t *srv);
+static errno_t loopip_send(iplink_srv_t *srv, iplink_sdu_t *sdu);
+static errno_t loopip_send6(iplink_srv_t *srv, iplink_sdu6_t *sdu);
+static errno_t loopip_get_mtu(iplink_srv_t *srv, size_t *mtu);
+static errno_t loopip_get_mac48(iplink_srv_t *srv, addr48_t *mac);
+static errno_t loopip_addr_add(iplink_srv_t *srv, inet_addr_t *addr);
+static errno_t loopip_addr_remove(iplink_srv_t *srv, inet_addr_t *addr);
 
 static void loopip_client_conn(ipc_callid_t iid, ipc_call_t *icall, void *arg);
@@ -82,5 +82,5 @@
 } rqueue_entry_t;
 
-static int loopip_recv_fibril(void *arg)
+static errno_t loopip_recv_fibril(void *arg)
 {
 	while (true) {
@@ -99,9 +99,9 @@
 }
 
-static int loopip_init(void)
+static errno_t loopip_init(void)
 {
 	async_set_fallback_port_handler(loopip_client_conn, NULL);
 	
-	int rc = loc_server_register(NAME);
+	errno_t rc = loc_server_register(NAME);
 	if (rc != EOK) {
 		log_msg(LOG_DEFAULT, LVL_ERROR, "Failed registering server.");
@@ -153,5 +153,5 @@
 }
 
-static int loopip_open(iplink_srv_t *srv)
+static errno_t loopip_open(iplink_srv_t *srv)
 {
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "loopip_open()");
@@ -159,5 +159,5 @@
 }
 
-static int loopip_close(iplink_srv_t *srv)
+static errno_t loopip_close(iplink_srv_t *srv)
 {
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "loopip_close()");
@@ -165,5 +165,5 @@
 }
 
-static int loopip_send(iplink_srv_t *srv, iplink_sdu_t *sdu)
+static errno_t loopip_send(iplink_srv_t *srv, iplink_sdu_t *sdu)
 {
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "loopip_send()");
@@ -194,5 +194,5 @@
 }
 
-static int loopip_send6(iplink_srv_t *srv, iplink_sdu6_t *sdu)
+static errno_t loopip_send6(iplink_srv_t *srv, iplink_sdu6_t *sdu)
 {
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "loopip6_send()");
@@ -223,5 +223,5 @@
 }
 
-static int loopip_get_mtu(iplink_srv_t *srv, size_t *mtu)
+static errno_t loopip_get_mtu(iplink_srv_t *srv, size_t *mtu)
 {
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "loopip_get_mtu()");
@@ -230,5 +230,5 @@
 }
 
-static int loopip_get_mac48(iplink_srv_t *src, addr48_t *mac)
+static errno_t loopip_get_mac48(iplink_srv_t *src, addr48_t *mac)
 {
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "loopip_get_mac48()");
@@ -236,10 +236,10 @@
 }
 
-static int loopip_addr_add(iplink_srv_t *srv, inet_addr_t *addr)
-{
-	return EOK;
-}
-
-static int loopip_addr_remove(iplink_srv_t *srv, inet_addr_t *addr)
+static errno_t loopip_addr_add(iplink_srv_t *srv, inet_addr_t *addr)
+{
+	return EOK;
+}
+
+static errno_t loopip_addr_remove(iplink_srv_t *srv, inet_addr_t *addr)
 {
 	return EOK;
@@ -250,5 +250,5 @@
 	printf("%s: HelenOS loopback IP link provider\n", NAME);
 	
-	int rc = log_init(NAME);
+	errno_t rc = log_init(NAME);
 	if (rc != EOK) {
 		printf("%s: Failed to initialize logging: %s.\n", NAME, str_error(rc));