#needs MPI_Keyval_create and MPI_Attr_get
#attrt 2
#needs MPI_Intercomm_create
#attric 4
#needs MPI_Errhandler_set, MPI_Keyval_create, MPI_Keyval_free, MPI_Attr_put
#attrerr 1
#needs MPI_Keyval_create, MPI_Keyval_free, MPI_Attr_put
#attrend 1
#attrend 4
attrend2 1
attrend2 5
#needs MPI_Errhandler_set, MPI_Comm_create_keyval, MPI_Comm_free_keyval, MPI_Comm_set_attr, MPI_Comm_delete_attr
#attrerrcomm 1
#needs MPI_Errhandler_set, MPI_Type_create_keyval, MPI_Type_dup, MPI_Type_set_attr, MPI_Type_delete_attr
#attrerrtype 1
#needs MPI_Type_create_keyval, MPI_Type_dup, MPI_Type_set_attr
#attr2type 1
#needs MPI_Keyval_create, MPI_Keyval_free, MPI_Attr_put, MPI_Attr_get, MPI_Attr_delete
#attrorder 1
#needs MPI_Comm_create_keyval, MPI_Comm_free_keyval, MPI_Comm_get_attr, MPI_Comm_set_attr, MPI_Comm_delete_attr
#attrordercomm 1
#needs MPI_Type_create_keyval, MPI_Type_delete_keyval, MPI_Type_set_attr, MPI_Type_delete_attr
#attrordertype 1
#needs MPI_Errhandler_set, MPI_Attr_get
#baseattr2 1
#needs MPI_Comm_get_attr
#baseattrcomm 1
#MPI_Keyval_create, MPI_Keyval_free for type and comm also
#fkeyval 1
#fkeyvalcomm 1
#fkeyvaltype 1
#keyval_double_free 1