exposed PYLIST to print event info

pythia6m/pythia6/pythia6.h

@@ -30,6 +30,14 @@ extern PyJetsDef pyjets_;
 int pychge_(int* kf);
 #define PYCHGE(kf) pychge_(&kf)
 
+// print out event info
+void pylist_(int* mlist);
+#define PYLIST(mlist)                                                          \
+  {                                                                            \
+    int mlist_ = mlist;                                                        \
+    pylist_(&mlist_);                                                          \
+  }
+
 #ifdef __cplusplus
 }
 #endif