Index: uspace/lib/c/include/bitops.h
===================================================================
--- uspace/lib/c/include/bitops.h	(revision 1d24ad312b4ddcdf3dc7c30ee0effc5293fd669c)
+++ uspace/lib/c/include/bitops.h	(revision d79adb1cb373696e5e7934f4e7da7a170adc7779)
@@ -107,4 +107,6 @@
 }
 
+extern int __popcountsi2(int);
+
 #endif
 
Index: uspace/lib/c/include/stdio.h
===================================================================
--- uspace/lib/c/include/stdio.h	(revision 1d24ad312b4ddcdf3dc7c30ee0effc5293fd669c)
+++ uspace/lib/c/include/stdio.h	(revision d79adb1cb373696e5e7934f4e7da7a170adc7779)
@@ -143,4 +143,5 @@
 
 extern void setvbuf(FILE *, void *, int, size_t);
+extern void setbuf(FILE *, void *);
 
 /* Misc file functions */