Index: uspace/lib/c/include/stdio.h
===================================================================
--- uspace/lib/c/include/stdio.h	(revision ed18e148046bfdc424427e6fcc350b1718b2628b)
+++ uspace/lib/c/include/stdio.h	(revision f47a905f54a600cbf89372fdb1682e03070399c3)
@@ -101,6 +101,10 @@
 extern int vsnprintf(char *, size_t, const char *, va_list);
 
+extern int xxscanf(const char *, ...);
+extern int xxvscanf(const char *, va_list);
 extern int xxfscanf(FILE *, const char *, ...);
+extern int xxvfscanf(FILE *, const char *, va_list);
 extern int xxsscanf(const char *, const char *, ...);
+extern int xxvsscanf(const char *, const char *, va_list);
 
 /* File stream functions */