Index: uspace/lib/c/include/stdio.h
===================================================================
--- uspace/lib/c/include/stdio.h	(revision a801688bbb63ce8e1f39927867b7500c306a8b52)
+++ uspace/lib/c/include/stdio.h	(revision 49e50e9b24e3d3bf9a73a63ff6659bd320961c0f)
@@ -143,4 +143,5 @@
 
 extern void setvbuf(FILE *, void *, int, size_t);
+extern void setbuf(FILE *, void *);
 
 /* Misc file functions */