Defines starting with `p' in netccitt

• PACKET_OK netccitt/pk.h:89
• PK_ACCTFILE netccitt/x25.h:59
• PK_FACILITIES netccitt/x25.h:60
• PKHEADERLN netccitt/pk.h:136
• PK_PRLISTEN netccitt/x25.h:62
• PK_RTATTACH netccitt/x25.h:61
• POLLOFF netccitt/hdlc.h:110
• POLLON netccitt/hdlc.h:111
• PRC_IFUP netccitt/x25.h:42
• PRC_LINKDONTCOPY netccitt/x25.h:46
• PRC_LINKDOWN netccitt/x25.h:44
• PRC_LINKRESET netccitt/x25.h:45
• PRC_LINKUP netccitt/x25.h:43