Index: uspace/app/nic/nic.c
===================================================================
--- uspace/app/nic/nic.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
+++ uspace/app/nic/nic.c	(revision e211ea04fccf33d4cb2092f630a29e893e096a02)
@@ -72,5 +72,5 @@
 static async_sess_t *get_nic_by_index(size_t i)
 {
-	int rc;
+	errno_t rc;
 	size_t count;
 	char *svc_name;
@@ -110,10 +110,10 @@
 }
 
-static int nic_get_info(service_id_t svc_id, char *svc_name,
+static errno_t nic_get_info(service_id_t svc_id, char *svc_name,
     nic_info_t *info)
 {
 	async_sess_t *sess;
 	nic_role_t role;
-	int rc;
+	errno_t rc;
 
 	sess = loc_service_connect(svc_id, INTERFACE_DDF, 0);
@@ -245,5 +245,5 @@
 }
 
-static int nic_list(void)
+static errno_t nic_list(void)
 {
 	category_id_t nic_cat;
@@ -253,5 +253,5 @@
 	char *svc_name;
 	char *addr_str;
-	int rc;
+	errno_t rc;
 
 	rc = loc_category_get_id("nic", &nic_cat, 0);
@@ -316,5 +316,5 @@
 }
 
-static int nic_set_speed(int i, char *str)
+static errno_t nic_set_speed(int i, char *str)
 {
 	async_sess_t *sess;
@@ -323,5 +323,5 @@
 	nic_channel_mode_t oldduplex;
 	nic_role_t oldrole;
-	int rc;
+	errno_t rc;
 
 	rc = str_uint32_t(str, NULL, 10, false, &speed);
@@ -351,5 +351,5 @@
 }
 
-static int nic_set_duplex(int i, char *str)
+static errno_t nic_set_duplex(int i, char *str)
 {
 	async_sess_t *sess;
@@ -358,5 +358,5 @@
 	nic_channel_mode_t oldduplex;
 	nic_role_t oldrole;
-	int rc;
+	errno_t rc;
 
 	if (!str_cmp(str, "half"))
@@ -389,8 +389,8 @@
 }
 
-static int nic_set_autoneg(int i)
-{
-	async_sess_t *sess;
-	int rc;
+static errno_t nic_set_autoneg(int i)
+{
+	async_sess_t *sess;
+	errno_t rc;
 
 	sess = get_nic_by_index(i);
@@ -409,9 +409,9 @@
 }
 
-static int nic_set_addr(int i, char *str)
+static errno_t nic_set_addr(int i, char *str)
 {
 	async_sess_t *sess;
 	nic_address_t addr;
-	int rc;
+	errno_t rc;
 	int idx;
 
@@ -438,5 +438,5 @@
 }
 
-static int nic_set_rx_unicast(int i, char *str)
+static errno_t nic_set_rx_unicast(int i, char *str)
 {
 	async_sess_t *sess;
@@ -473,5 +473,5 @@
 }
 
-static int nic_set_rx_multicast(int i, char *str)
+static errno_t nic_set_rx_multicast(int i, char *str)
 {
 	async_sess_t *sess;
@@ -502,5 +502,5 @@
 }
 
-static int nic_set_rx_broadcast(int i, char *str)
+static errno_t nic_set_rx_broadcast(int i, char *str)
 {
 	async_sess_t *sess;
@@ -528,5 +528,5 @@
 int main(int argc, char *argv[])
 {
-	int rc;
+	errno_t rc;
 	uint32_t index;