SYNTAX

C Syntax

int MPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm*
    newcomm)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_COMM_SPLIT(COMM, COLOR, KEY, NEWCOMM, IERROR)
    INTEGER COMM, COLOR, KEY, NEWCOMM, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Comm_split(comm, color, key, newcomm, ierror)
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, INTENT(IN) :: color, key
    TYPE(MPI_Comm), INTENT(OUT) :: newcomm
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror