cts can be added by calling OBJ_create().</p>

<p>Table objects have certain advantages over other objects: for example their NIDs can be used in a C language switch statement. They are also static constant structures which are shared: that is there is only a single constant structure for each table object.</p>

<p>Objects which are not in the table have the NID value NID_undef.</p>

<p>Objects do not need to be in the internal tables to be processed, the functions OBJ_txt2obj() and OBJ_obj2txt() can proces