Macros starting with `o' in BSD4-4

• OBJ_NAME netiso/xebec/sets.h:28
• OFF i386/isa/if_ec.c:274
• _offsetof netccitt/if_x25subr.c:79
• OFLAGS sys/fcntl.h:102
• OPTBIT netinet/ip_output.c:591
• OPTSET netinet/ip_output.c:523
• ORDER4 netccitt/hdlc.h:54
• ORDER5 netccitt/hdlc.h:55
• OTHERVP miscfs/union/union.h:113