SYNTAX

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_SIZEOF(X, SIZE, IERROR)
    <type> X
    INTEGER SIZE, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Sizeof(x, size, ierror)
    TYPE(*), DIMENSION(..) :: x
    INTEGER, INTENT(OUT) :: size
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror