SYNTAX
C Syntax
int MPI_Attr_get(MPI_Comm comm, int keyval, void* attribute_val,
int* flag)
Fortran Syntax
USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_ATTR_GET(COMM, KEYVAL, ATTRIBUTE_VAL, FLAG, IERROR)
INTEGER COMM, KEYVAL, ATTRIBUTE_VAL, IERROR
LOGICAL FLAG