Index: uspace/lib/c/generic/imath.c
===================================================================
--- uspace/lib/c/generic/imath.c	(revision 9854a8faee04ea815f8612666a6e4dac63db2748)
+++ uspace/lib/c/generic/imath.c	(revision 98893ede399d6eed12edddf404da1f101f415345)
@@ -48,5 +48,5 @@
  * @return EOK on success, ERANGE if result does not fit into result type
  */
-int ipow10_u64(unsigned exp, uint64_t *res)
+errno_t ipow10_u64(unsigned exp, uint64_t *res)
 {
 	unsigned a;