1 files changed, 1 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index 44074453..e78e8789 100644
--- a/lib.h
+++ b/lib.h
@@ -28,6 +28,7 @@
 #include "mpi/mpi.h"
 
 typedef int_ptr_t cnum;
+typedef uint_ptr_t ucnum;
 
 #ifdef __cplusplus
 #define strip_qual(TYPE, EXPR) (const_cast<TYPE>(EXPR))