SYNTAX

C Syntax

int MPI_Info_get_nkeys(MPI_Info info, int* nkeys)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_INFO_GET_NKEYS(INFO, NKEYS, IERROR)
    INTEGER INFO, NKEYS, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Info_get_nkeys(info, nkeys, ierror)
    TYPE(MPI_Info), INTENT(IN) :: info
    INTEGER, INTENT(OUT) :: nkeys
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror