pub unsafe extern fn chbtrd_(vect: *const c_char, uplo: *const c_char, n: *const lapack_int, kd: *const lapack_int, ab: *mut lapack_complex_float, ldab: *const lapack_int, d: *mut c_float, e: *mut c_float, q: *mut lapack_complex_float, ldq: *const lapack_int, work: *mut lapack_complex_float, info: *mut lapack_int)