SYNTAX

C Syntax

int MPI_Graph_neighbors_count(MPI_Comm comm, int rank, int*
    nneighbors)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_GRAPH_NEIGHBORS_COUNT(COMM, RANK, NNEIGHBORS, IERROR)
    INTEGER COMM, RANK, NNEIGHBORS, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Graph_neighbors_count(comm, rank, nneighbors, ierror)
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, INTENT(IN) :: rank
    INTEGER, INTENT(OUT) :: nneighbors
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror