Index: uspace/lib/fs/libfs.c
===================================================================
--- uspace/lib/fs/libfs.c	(revision eb13ef8440f5e94338275db8fd83e4e513c82ab1)
+++ uspace/lib/fs/libfs.c	(revision 91bef4466a8188479f9e9d0a05c8762be7de2ec7)
@@ -79,5 +79,5 @@
 static void vfs_out_fsprobe(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
 	errno_t rc;
 	vfs_fs_probe_info_t info;
@@ -106,5 +106,5 @@
 static void vfs_out_mounted(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
 	char *opts;
 	errno_t rc;
@@ -132,5 +132,5 @@
 static void vfs_out_unmounted(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
 	errno_t rc;
 
@@ -152,8 +152,8 @@
 static void vfs_out_read(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
-	aoff64_t pos = (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(req),
-	    IPC_GET_ARG4(req));
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
+	aoff64_t pos = (aoff64_t) MERGE_LOUP32(ipc_get_arg3(req),
+	    ipc_get_arg4(req));
 	size_t rbytes;
 	errno_t rc;
@@ -169,8 +169,8 @@
 static void vfs_out_write(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
-	aoff64_t pos = (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(req),
-	    IPC_GET_ARG4(req));
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
+	aoff64_t pos = (aoff64_t) MERGE_LOUP32(ipc_get_arg3(req),
+	    ipc_get_arg4(req));
 	size_t wbytes;
 	aoff64_t nsize;
@@ -188,8 +188,8 @@
 static void vfs_out_truncate(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
-	aoff64_t size = (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(req),
-	    IPC_GET_ARG4(req));
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
+	aoff64_t size = (aoff64_t) MERGE_LOUP32(ipc_get_arg3(req),
+	    ipc_get_arg4(req));
 	errno_t rc;
 
@@ -201,6 +201,6 @@
 static void vfs_out_close(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
 	errno_t rc;
 
@@ -212,6 +212,6 @@
 static void vfs_out_destroy(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
 
 	errno_t rc;
@@ -239,6 +239,6 @@
 static void vfs_out_sync(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
 	errno_t rc;
 
@@ -255,6 +255,6 @@
 static void vfs_out_is_empty(ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
 	errno_t rc;
 
@@ -290,10 +290,10 @@
 		async_get_call(&call);
 
-		if (!IPC_GET_IMETHOD(&call)) {
+		if (!ipc_get_imethod(&call)) {
 			async_answer_0(&call, EOK);
 			return;
 		}
 
-		switch (IPC_GET_IMETHOD(&call)) {
+		switch (ipc_get_imethod(&call)) {
 		case VFS_OUT_FSPROBE:
 			vfs_out_fsprobe(&call);
@@ -424,7 +424,7 @@
 	 */
 	async_wait_for(req, NULL);
-	reg.fs_handle = (int) IPC_GET_ARG1(&answer);
-
-	return IPC_GET_RETVAL(&answer);
+	reg.fs_handle = (int) ipc_get_arg1(&answer);
+
+	return ipc_get_retval(&answer);
 }
 
@@ -490,7 +490,7 @@
 void libfs_link(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_call_t *req)
 {
-	service_id_t parent_sid = IPC_GET_ARG1(req);
-	fs_index_t parent_index = IPC_GET_ARG2(req);
-	fs_index_t child_index = IPC_GET_ARG3(req);
+	service_id_t parent_sid = ipc_get_arg1(req);
+	fs_index_t parent_index = ipc_get_arg2(req);
+	fs_index_t child_index = ipc_get_arg3(req);
 
 	char component[NAME_MAX + 1];
@@ -536,9 +536,9 @@
 void libfs_lookup(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_call_t *req)
 {
-	unsigned first = IPC_GET_ARG1(req);
-	unsigned len = IPC_GET_ARG2(req);
-	service_id_t service_id = IPC_GET_ARG3(req);
-	fs_index_t index = IPC_GET_ARG4(req);
-	int lflag = IPC_GET_ARG5(req);
+	unsigned first = ipc_get_arg1(req);
+	unsigned len = ipc_get_arg2(req);
+	service_id_t service_id = ipc_get_arg3(req);
+	fs_index_t index = ipc_get_arg4(req);
+	int lflag = ipc_get_arg5(req);
 
 	// TODO: Validate flags.
@@ -716,6 +716,6 @@
 void libfs_stat(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
 
 	fs_node_t *fn;
@@ -753,6 +753,6 @@
 void libfs_statfs(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_call_t *req)
 {
-	service_id_t service_id = (service_id_t) IPC_GET_ARG1(req);
-	fs_index_t index = (fs_index_t) IPC_GET_ARG2(req);
+	service_id_t service_id = (service_id_t) ipc_get_arg1(req);
+	fs_index_t index = (fs_index_t) ipc_get_arg2(req);
 
 	fs_node_t *fn;
@@ -810,6 +810,6 @@
 void libfs_open_node(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_call_t *req)
 {
-	service_id_t service_id = IPC_GET_ARG1(req);
-	fs_index_t index = IPC_GET_ARG2(req);
+	service_id_t service_id = ipc_get_arg1(req);
+	fs_index_t index = ipc_get_arg2(req);
 
 	fs_node_t *fn;