--- tc.os.h~	Sat Nov 11 23:03:39 2000
+++ tc.os.h	Fri Apr 13 15:32:16 2001
@@ -88,6 +88,7 @@
 
 #if defined(linux) || defined(__NetBSD__) || defined(__FreeBSD__) || SYSVREL >= 4  || defined(_MINIX_VMD)
 # undef NEEDstrerror
+# include <time.h>
 #endif /* linux || __NetBSD__ || __FreeBSD__ || SYSVREL >= 4 || _MINIX_VMD */
 
 #if !defined(pyr) && !defined(sinix)