--- src/strftime.c.orig Wed Dec  6 20:56:47 2000
+++ src/strftime.c      Thu Jun 13 11:11:38 2002
@@ -68,6 +68,9 @@
 #if DO_MULTIBYTE
 # if HAVE_MBRLEN
 #  include <wchar.h>
+#  if __hpux
+#    include <sys/_mbstate_t.h>
+#  endif
 # else
    /* Simulate mbrlen with mblen as best we can.  */
 #  define mbstate_t int