Macros starting with `o' in Net2

• OBJ_NAME netiso/xebec/sets.h:28
• _offsetof netccitt/if_x25subr.c:643
• OFLAGS sys/fcntl.h:93
• OPTBIT netinet/ip_output.c:472
• OPTSET netinet/ip_output.c:412
• ORDER2 netccitt/pk.h:104
• ORDER4 netccitt/hdlc.h:54
• ORDER5 netccitt/hdlc.h:55