mca_btl_base_module_atomic_op64_fn_t 1052 opal/mca/btl/btl.h typedef int (*mca_btl_base_module_atomic_op64_fn_t) (struct mca_btl_base_module_t *btl,
mca_btl_base_module_atomic_op64_fn_t 1231 opal/mca/btl/btl.h     mca_btl_base_module_atomic_op64_fn_t    btl_atomic_op;