SYNTAX

C Syntax

int MPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm,
    int* size)

int MPI_Pack_size_c(MPI_Count incount, MPI_Datatype datatype,
    MPI_Comm comm, MPI_Count* size)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_PACK_SIZE(INCOUNT, DATATYPE, COMM, SIZE, IERROR)
    INTEGER INCOUNT, DATATYPE, COMM, SIZE, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Pack_size(incount, datatype, comm, size, ierror)
    INTEGER, INTENT(IN) :: incount
    TYPE(MPI_Datatype), INTENT(IN) :: datatype
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, INTENT(OUT) :: size
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Pack_size(incount, datatype, comm, size, ierror)
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(IN) :: incount
    TYPE(MPI_Datatype), INTENT(IN) :: datatype
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(OUT) :: size
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror