pub unsafe extern fn zunbdb_(trans: *const c_char, signs: *const c_char, m: *const lapack_int, p: *const lapack_int, q: *const lapack_int, x11: *mut lapack_complex_double, ldx11: *const lapack_int, x12: *mut lapack_complex_double, ldx12: *const lapack_int, x21: *mut lapack_complex_double, ldx21: *const lapack_int, x22: *mut lapack_complex_double, ldx22: *const lapack_int, theta: *mut c_double, phi: *mut c_double, taup1: *mut lapack_complex_double, taup2: *mut lapack_complex_double, tauq1: *mut lapack_complex_double, tauq2: *mut lapack_complex_double, work: *mut lapack_complex_double, lwork: *const lapack_int, info: *mut lapack_int)