--- ./src/headers/pari.h-ini	2025-05-06 15:58:16.288423800 -0700
+++ ./src/headers/pari.h	2025-05-09 17:32:05.188160000 -0700
@@ -40,6 +40,8 @@ Foundation, Inc., 59 Temple Place - Suit
 #include <string.h>
 #if !defined(_WIN32) && !defined(WINCE)
 #  include <unistd.h>
+#else
+#  include <direct.h>
 #endif
 #include <math.h>
 #ifdef alliant