pub unsafe extern fn LAPACKE_cuncsd_work(matrix_layout: c_int, jobu1: c_char, jobu2: c_char, jobv1t: c_char, jobv2t: c_char, trans: c_char, signs: c_char, m: c_int, p: c_int, q: c_int, x11: *mut c_float_complex, ldx11: c_int, x12: *mut c_float_complex, ldx12: c_int, x21: *mut c_float_complex, ldx21: c_int, x22: *mut c_float_complex, ldx22: c_int, theta: *mut c_float, u1: *mut c_float_complex, ldu1: c_int, u2: *mut c_float_complex, ldu2: c_int, v1t: *mut c_float_complex, ldv1t: c_int, v2t: *mut c_float_complex, ldv2t: c_int, work: *mut c_float_complex, lwork: c_int, rwork: *mut c_float, lrwork: c_int, iwork: *mut c_int) -> c_int