SHMEM_UNDEFINED    54 oshmem/request/request.c     req->req_f_to_c_index = SHMEM_UNDEFINED;
SHMEM_UNDEFINED    60 oshmem/request/request.c     assert( SHMEM_UNDEFINED == req->req_f_to_c_index);
SHMEM_UNDEFINED   180 oshmem/request/request.h     if (SHMEM_UNDEFINED != (request)->req_f_to_c_index) {                 \
SHMEM_UNDEFINED   183 oshmem/request/request.h         (request)->req_f_to_c_index = SHMEM_UNDEFINED;                    \