diff --git a/mpi.h b/mpi.h
index 6a2f0d4..a80a42c 100644
--- a/mpi.h
+++ b/mpi.h
@@ -667,9 +667,9 @@ int MPI_Comm_split_type(MPI_Comm comm, int split_type, int key, MPI_Info info, M
 int MPI_Comm_test_inter(MPI_Comm comm, int *flag);
 int MPI_Compare_and_swap(const void *origin_addr, const void *compare_addr, void *result_addr, MPI_Datatype datatype, int target_rank, MPI_Aint target_disp, MPI_Win win);
 int MPI_Dims_create(int nnodes, int ndims, int dims[]);
-int MPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int weights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
-int MPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int sourceweights[], int outdegree, const int destinations[], const int destweights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
-int MPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int sourceweights[], int maxoutdegree, int destinations[], int destweights[]);
+int MPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int *weights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
+int MPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int *sourceweights, int outdegree, const int destinations[], const int *destweights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
+int MPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int *sourceweights, int maxoutdegree, int destinations[], int *destweights);
 int MPI_Dist_graph_neighbors_count(MPI_Comm comm, int *indegree, int *outdegree, int *weighted);
 int MPI_Errhandler_free(MPI_Errhandler *errhandler);
 int MPI_Error_class(int errorcode, int *errorclass);
@@ -1333,9 +1333,9 @@ int PMPI_Comm_split_type(MPI_Comm comm, int split_type, int key, MPI_Info info,
 int PMPI_Comm_test_inter(MPI_Comm comm, int *flag);
 int PMPI_Compare_and_swap(const void *origin_addr, const void *compare_addr, void *result_addr, MPI_Datatype datatype, int target_rank, MPI_Aint target_disp, MPI_Win win);
 int PMPI_Dims_create(int nnodes, int ndims, int dims[]);
-int PMPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int weights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
-int PMPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int sourceweights[], int outdegree, const int destinations[], const int destweights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
-int PMPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int sourceweights[], int maxoutdegree, int destinations[], int destweights[]);
+int PMPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int *weights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
+int PMPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int *sourceweights, int outdegree, const int destinations[], const int *destweights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph);
+int PMPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int *sourceweights, int maxoutdegree, int destinations[], int *destweights);
 int PMPI_Dist_graph_neighbors_count(MPI_Comm comm, int *indegree, int *outdegree, int *weighted);
 int PMPI_Errhandler_free(MPI_Errhandler *errhandler);
 int PMPI_Error_class(int errorcode, int *errorclass);
diff --git a/mpistubs.c b/mpistubs.c
index ae7c1a6..5738b61 100644
--- a/mpistubs.c
+++ b/mpistubs.c
@@ -109,9 +109,9 @@ int MPI_Comm_split_type(MPI_Comm comm, int split_type, int key, MPI_Info info, M
 int MPI_Comm_test_inter(MPI_Comm comm, int *flag) { abort(); return 0; }
 int MPI_Compare_and_swap(const void *origin_addr, const void *compare_addr, void *result_addr, MPI_Datatype datatype, int target_rank, MPI_Aint target_disp, MPI_Win win) { abort(); return 0; }
 int MPI_Dims_create(int nnodes, int ndims, int dims[]) { abort(); return 0; }
-int MPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int weights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
-int MPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int sourceweights[], int outdegree, const int destinations[], const int destweights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
-int MPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int sourceweights[], int maxoutdegree, int destinations[], int destweights[]) { abort(); return 0; }
+int MPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int *weights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
+int MPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int *sourceweights, int outdegree, const int destinations[], const int *destweights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
+int MPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int *sourceweights, int maxoutdegree, int destinations[], int *destweights) { abort(); return 0; }
 int MPI_Dist_graph_neighbors_count(MPI_Comm comm, int *indegree, int *outdegree, int *weighted) { abort(); return 0; }
 int MPI_Errhandler_free(MPI_Errhandler *errhandler) { abort(); return 0; }
 int MPI_Error_class(int errorcode, int *errorclass) { abort(); return 0; }
@@ -775,9 +775,9 @@ int PMPI_Comm_split_type(MPI_Comm comm, int split_type, int key, MPI_Info info,
 int PMPI_Comm_test_inter(MPI_Comm comm, int *flag) { abort(); return 0; }
 int PMPI_Compare_and_swap(const void *origin_addr, const void *compare_addr, void *result_addr, MPI_Datatype datatype, int target_rank, MPI_Aint target_disp, MPI_Win win) { abort(); return 0; }
 int PMPI_Dims_create(int nnodes, int ndims, int dims[]) { abort(); return 0; }
-int PMPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int weights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
-int PMPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int sourceweights[], int outdegree, const int destinations[], const int destweights[], MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
-int PMPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int sourceweights[], int maxoutdegree, int destinations[], int destweights[]) { abort(); return 0; }
+int PMPI_Dist_graph_create(MPI_Comm comm_old, int n, const int sources[], const int degrees[], const int destinations[], const int *weights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
+int PMPI_Dist_graph_create_adjacent(MPI_Comm comm_old, int indegree, const int sources[], const int *sourceweights, int outdegree, const int destinations[], const int *destweights, MPI_Info info, int reorder, MPI_Comm *comm_dist_graph) { abort(); return 0; }
+int PMPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree, int sources[], int *sourceweights, int maxoutdegree, int destinations[], int *destweights) { abort(); return 0; }
 int PMPI_Dist_graph_neighbors_count(MPI_Comm comm, int *indegree, int *outdegree, int *weighted) { abort(); return 0; }
 int PMPI_Errhandler_free(MPI_Errhandler *errhandler) { abort(); return 0; }
 int PMPI_Error_class(int errorcode, int *errorclass) { abort(); return 0; }