pub unsafe extern "C" fn MPI_Imrecv(
buf: *mut c_void,
count: c_int,
type_: MPI_Datatype,
message: *mut MPI_Message,
request: *mut MPI_Request,
) -> c_int
pub unsafe extern "C" fn MPI_Imrecv(
buf: *mut c_void,
count: c_int,
type_: MPI_Datatype,
message: *mut MPI_Message,
request: *mut MPI_Request,
) -> c_int