mca_btl_base_recv_reg_t 48 opal/mca/btl/base/base.h typedef struct mca_btl_base_recv_reg_t mca_btl_base_recv_reg_t; mca_btl_base_recv_reg_t 235 opal/mca/btl/usnic/btl_usnic.h typedef mca_btl_base_recv_reg_t opal_btl_usnic_recv_reg_t;