+/* Sizes for integer arithmetic. Go for 64bit; can be overridden in OS/Makefile-FOO */
+#define int_eximarith_t int64_t
+#define PR_EXIM_ARITH "%" PRId64 /* C99 standard, printf %lld */
+#define SC_EXIM_ARITH "%" SCNi64 /* scanf incl. 0x prefix */
+#define SC_EXIM_DEC "%" SCNd64 /* scanf decimal */
+