Defines starting with `i' in bsd/netccitt

• ia_flags bsd/netccitt/pk_var.h:159
• ia_ifp bsd/netccitt/pk_var.h:158
• ia_maxlcn bsd/netccitt/pk_var.h:162
• IEEEPROTO_802LLC bsd/netccitt/x25.h:77
• IFRAME bsd/netccitt/hdlc.h:157
• IGNORE_PACKET bsd/netccitt/pk.h:114
• ILLEGAL bsd/netccitt/hdlc.h:158
• INFORMATION_CONTROL bsd/netccitt/llc_var.h:283
• INIT bsd/netccitt/hdlc.h:136
• i_nr bsd/netccitt/llc_var.h:119
• i_ns bsd/netccitt/llc_var.h:117
• INTERRUPT bsd/netccitt/pk.h:204
• INTERRUPT_CONF bsd/netccitt/pk.h:205
• INVALID_PACKET bsd/netccitt/pk.h:214
• i_pf bsd/netccitt/llc_var.h:118
• i_z bsd/netccitt/llc_var.h:116