Function cfm_tc_session_result 

#[unsafe(no_mangle)]
pub extern "C" fn cfm_tc_session_result(
    session: *mut FFITcSession,
    out: *mut u8,
    out_max: u32,
    out_len: *mut u32,
) -> u32

Read the final session artifact into out.

Returns INSUFFICIENT_BUFFER when out_max is too small; *out_len is always set to the required length.