Index: uspace/lib/c/include/stdio.h
===================================================================
--- uspace/lib/c/include/stdio.h	(revision 49a796f1d5e0783f179376793f1b84d4f6cf0bde)
+++ uspace/lib/c/include/stdio.h	(revision ed18e148046bfdc424427e6fcc350b1718b2628b)
@@ -101,4 +101,7 @@
 extern int vsnprintf(char *, size_t, const char *, va_list);
 
+extern int xxfscanf(FILE *, const char *, ...);
+extern int xxsscanf(const char *, const char *, ...);
+
 /* File stream functions */
 extern FILE *fopen(const char *, const char *);