SYNTAX

C Syntax

int MPI_Unpack(const void* inbuf, int insize, int* position, void*
    outbuf, int outcount, MPI_Datatype datatype, MPI_Comm comm)

int MPI_Unpack_c(const void* inbuf, MPI_Count insize, MPI_Count*
    position, void* outbuf, MPI_Count outcount, MPI_Datatype
    datatype, MPI_Comm comm)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_UNPACK(INBUF, INSIZE, POSITION, OUTBUF, OUTCOUNT, DATATYPE, COMM, IERROR)
    <type> INBUF(*), OUTBUF(*)
    INTEGER INSIZE, POSITION, OUTCOUNT, DATATYPE, COMM, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Unpack(inbuf, insize, position, outbuf, outcount, datatype, comm, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN) :: inbuf
    INTEGER, INTENT(IN) :: insize, outcount
    INTEGER, INTENT(INOUT) :: position
    TYPE(*), DIMENSION(..) :: outbuf
    TYPE(MPI_Datatype), INTENT(IN) :: datatype
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Unpack(inbuf, insize, position, outbuf, outcount, datatype, comm, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN) :: inbuf
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(IN) :: insize, outcount
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(INOUT) :: position
    TYPE(*), DIMENSION(..) :: outbuf
    TYPE(MPI_Datatype), INTENT(IN) :: datatype
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror