pub unsafe extern "C" fn zhbgst_(
vect: *const c_char,
uplo: *const c_char,
n: *const lapack_int,
ka: *const lapack_int,
kb: *const lapack_int,
ab: *mut lapack_complex_double,
ldab: *const lapack_int,
bb: *const lapack_complex_double,
ldbb: *const lapack_int,
x: *mut lapack_complex_double,
ldx: *const lapack_int,
work: *mut lapack_complex_double,
rwork: *mut c_double,
info: *mut lapack_int,
)