Index: uspace/srv/net/tcp/inet.c
===================================================================
--- uspace/srv/net/tcp/inet.c	(revision 42f61f01d63ea6e84027b6626fed850d1cd20d9e)
+++ uspace/srv/net/tcp/inet.c	(revision 58e4d85ce498861509fd56f58413b1cd38ab29f6)
@@ -50,5 +50,5 @@
 #define NAME       "tcp"
 
-static int tcp_inet_ev_recv(inet_dgram_t *dgram);
+static errno_t tcp_inet_ev_recv(inet_dgram_t *dgram);
 static void tcp_received_pdu(tcp_pdu_t *pdu);
 
@@ -58,5 +58,5 @@
 
 /** Received datagram callback */
-static int tcp_inet_ev_recv(inet_dgram_t *dgram)
+static errno_t tcp_inet_ev_recv(inet_dgram_t *dgram)
 {
 	uint8_t *pdu_raw;
@@ -121,5 +121,5 @@
 void tcp_transmit_pdu(tcp_pdu_t *pdu)
 {
-	int rc;
+	errno_t rc;
 	uint8_t *pdu_raw;
 	size_t pdu_raw_size;
@@ -169,7 +169,7 @@
 
 /** Initialize TCP inet interface. */
-int tcp_inet_init(void)
+errno_t tcp_inet_init(void)
 {
-	int rc;
+	errno_t rc;
 
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "tcp_inet_init()");