We like error numbers.

diff --git a/stdlib.h b/stdlib.h
index a9faa146afe28d14c8259f7c9d87e30df65d27b0..9610429948bcdddcbe0b1a8b3f141e354613c659 100644 (file)
--- a/stdlib.h
+++ b/stdlib.h
@@ -60,6 +60,7 @@
 #define _not(type) \
     ((type) ~ (type) 0)
 
+#include <errno.h>
 #include <stdio.h>
 #include <stdbool.h>
 #include <stdlib.h>