Index: uspace/lib/posix/source/stdlib.c
===================================================================
--- uspace/lib/posix/source/stdlib.c	(revision 5759642fc10d592323e48fdc42f5ca4046946fd0)
+++ uspace/lib/posix/source/stdlib.c	(revision e965decd7db24e719c0d152660a29cffca98c753)
@@ -63,4 +63,5 @@
 	// TODO: low priority, just a compile-time dependency of binutils
 	not_implemented();
+	return 1;
 }
 
@@ -232,4 +233,5 @@
 	// TODO: low priority, just a compile-time dependency of binutils
 	not_implemented();
+	return 0;
 }
 
@@ -244,4 +246,5 @@
 int posix_system(const char *string) {
 	// TODO: does nothing at the moment
+	not_implemented();
 	return 0;
 }