Variables starting with `o' in netiso/xebec

• object netiso/xebec/xebec.bnf:283
• obj_name netiso/xebec/xebec.bnf:196
• obj_parent netiso/xebec/sets.h:24
• Objtree netiso/xebec/sets.c:15
• optsemi netiso/xebec/xebec.bnf:134