Index: uspace/lib/libc/include/io/stream.h
===================================================================
--- uspace/lib/libc/include/io/stream.h	(revision 907bb492e6b79b87fceb2fb84e09b4834b52e273)
+++ uspace/lib/libc/include/io/stream.h	(revision dcdc31d5ea6e1607948574fc1e16e81e1a007c5d)
@@ -45,4 +45,5 @@
 extern ssize_t write_stdout(const void *, size_t);
 extern ssize_t write_stderr(const void *, size_t);
+extern int flush_stdout(void);
 
 #endif