Index: uspace/lib/libc/include/ipc/ipc.h
===================================================================
--- uspace/lib/libc/include/ipc/ipc.h	(revision 5832e9b1dbc9ea6730f610f94bf8bdfaadc56c42)
+++ uspace/lib/libc/include/ipc/ipc.h	(revision 36d852c81b0cd5dc20eb486f72e3451ade4780a2)
@@ -261,7 +261,9 @@
 extern int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method,
     ipcarg_t arg1, ipcarg_t arg2, int mode);
-extern int ipc_data_send(int phoneid, void *src, size_t size);
-extern int ipc_data_receive(ipc_callid_t *callid, void **dst, size_t *size);
-extern ipcarg_t ipc_data_deliver(ipc_callid_t callid, void *dst, size_t size);
+extern int ipc_data_write_send(int phoneid, void *src, size_t size);
+extern int ipc_data_write_receive(ipc_callid_t *callid, void **dst,
+    size_t *size);
+extern ipcarg_t ipc_data_write_deliver(ipc_callid_t callid, void *dst,
+    size_t size);
 
 #endif