+#if defined( SYS_MINGW )
+# define fseek fseeko64
+# define ftell ftello64
+# undef fseeko
+# define fseeko fseeko64
+# undef ftello
+# define ftello ftello64
+# define flockfile(...)
+# define funlockfile(...)
+# define getc_unlocked getc
+# undef off_t
+# define off_t off64_t
+#endif
+