Function lapack_sys::c::LAPACKE_dgtsv

pub unsafe extern fn LAPACKE_dgtsv(matrix_layout: c_int,
                                   n: lapack_int,
                                   nrhs: lapack_int,
                                   dl: *mut c_double,
                                   d: *mut c_double,
                                   du: *mut c_double,
                                   b: *mut c_double,
                                   ldb: lapack_int)
                                   -> lapack_int