pub type IDALsJacTimesVecFnB = Option<unsafe extern "C" fn(t: realtype, yy: N_Vector, yp: N_Vector, yyB: N_Vector, ypB: N_Vector, rrB: N_Vector, vB: N_Vector, JvB: N_Vector, c_jB: realtype, user_dataB: *mut c_void, tmp1B: N_Vector, tmp2B: N_Vector) -> c_int>;