pub unsafe extern fn LAPACKE_zunbdb_work(matrix_layout: c_int, trans: c_char, signs: c_char, m: c_int, p: c_int, q: c_int, x11: *mut c_double_complex, ldx11: c_int, x12: *mut c_double_complex, ldx12: c_int, x21: *mut c_double_complex, ldx21: c_int, x22: *mut c_double_complex, ldx22: c_int, theta: *mut c_double, phi: *mut c_double, taup1: *mut c_double_complex, taup2: *mut c_double_complex, tauq1: *mut c_double_complex, tauq2: *mut c_double_complex, work: *mut c_double_complex, lwork: c_int) -> c_int