Function pio_scopf_parse_str 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pio_scopf_parse_str(
    text: *const c_char,
    from: *const c_char,
    errbuf: *mut c_char,
    errlen: usize,
) -> *mut PioScopfInstance

Parse SCOPF source text into an owned problem instance. from currently accepts "goc3-json". Returns NULL on error and writes the message into errbuf. Free the handle with pio_scopf_instance_free.