Function yrs::yxmlelem_string

#[no_mangle]
pub unsafe extern "C" fn yxmlelem_string(
    xml: *const Branch
) -> *mut c_char

Converts current YXmlElement together with its children and attributes into a flat string representation (no padding) eg. <UNDEFINED><title key="value">sample text</title></UNDEFINED>.

Returned value is a null-terminated UTF-8 string, which must be released using ystring_destroy function.