mca_fbtl_base_module_preadv_fn_t 123 ompi/mca/fbtl/fbtl.h typedef ssize_t (*mca_fbtl_base_module_preadv_fn_t) mca_fbtl_base_module_preadv_fn_t 153 ompi/mca/fbtl/fbtl.h mca_fbtl_base_module_preadv_fn_t fbtl_preadv;