1 files changed, 5 insertions, 0 deletions
diff --git a/perl.h b/perl.h
index 7009f16944..8655111f0b 100644
--- a/perl.h
+++ b/perl.h
@@ -3850,6 +3850,11 @@ int flock(int fd, int op);
 
 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
 
+/* Input flags: */
+#define PERL_SCAN_ALLOW_UNDERSCORES   0x01 /* grok_??? accept _ in numbers */
+/* Output flags: */
+#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
+
 /* to let user control profiling */
 #ifdef PERL_GPROF_CONTROL
 extern void moncontrol(int);