SYNTAX

C Syntax

int MPI_Graph_neighbors(MPI_Comm comm, int rank, int maxneighbors,
    int neighbors[])

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_GRAPH_NEIGHBORS(COMM, RANK, MAXNEIGHBORS, NEIGHBORS, IERROR)
    INTEGER COMM, RANK, MAXNEIGHBORS, NEIGHBORS(*), IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Graph_neighbors(comm, rank, maxneighbors, neighbors, ierror)
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, INTENT(IN) :: rank, maxneighbors
    INTEGER, INTENT(OUT) :: neighbors(maxneighbors)
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror