SYNTAX
C Syntax
int MPI_Comm_join(int fd, MPI_Comm* intercomm)
Fortran Syntax
USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_COMM_JOIN(FD, INTERCOMM, IERROR)
INTEGER FD, INTERCOMM, IERROR
Fortran 2008 Syntax
USE mpi_f08
MPI_Comm_join(fd, intercomm, ierror)
INTEGER, INTENT(IN) :: fd
TYPE(MPI_Comm), INTENT(OUT) :: intercomm
INTEGER, OPTIONAL, INTENT(OUT) :: ierror