ippp_buf_queue    122 include/linux/isdn_ppp.h   struct ippp_buf_queue *next;
ippp_buf_queue    123 include/linux/isdn_ppp.h   struct ippp_buf_queue *last;
ippp_buf_queue    162 include/linux/isdn_ppp.h   struct ippp_buf_queue rq[NUM_RCV_BUFFS]; /* packet queue for isdn_ppp_read() */
ippp_buf_queue    163 include/linux/isdn_ppp.h   struct ippp_buf_queue *first;  /* pointer to (current) first packet */
ippp_buf_queue    164 include/linux/isdn_ppp.h   struct ippp_buf_queue *last;   /* pointer to (current) last used packet in queue */