Function botan_sys::botan_pbkdf_timed

pub unsafe extern "C" fn botan_pbkdf_timed(
    pbkdf_algo: *const c_char, 
    out: *mut u8, 
    out_len: usize, 
    passphrase: *const c_char, 
    salt: *const u8, 
    salt_len: usize, 
    milliseconds_to_run: usize, 
    out_iterations_used: *mut usize
) -> c_int