/*D
   MPI_Graph_get - Retrieves graph topology information associated with a communicator

Synopsis:
.vb
int MPI_Graph_get(MPI_Comm comm, int maxindex, int maxedges, int indx[],
                  int edges[])
.ve

Input Parameters:
+ comm - communicator with graph structure (handle)
. maxindex - length of vector index in the calling program (integer)
- maxedges - length of vector edges in the calling program (integer)

Output Parameters:
+ indx - array of integers containing the graph structure (for details see the definition of MPI_GRAPH_CREATE)
- edges - array of integers containing the graph structure (integer)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_COMM
.N MPI_ERR_OTHER

D*/

