taglinefilesource code
us_rbuff_tail335drivers/net/ppp.cppp->us_rbuff_tail  = NULL;
us_rbuff_tail567drivers/net/ppp.cppp->us_rbuff_tail = ppp->us_rbuff;
us_rbuff_tail1171drivers/net/ppp.cif (ppp->us_rbuff_head == ppp->us_rbuff_tail) \
us_rbuff_tail1173drivers/net/ppp.c#define GETC(c) c = *ppp->us_rbuff_tail++; \
us_rbuff_tail1174drivers/net/ppp.cif (ppp->us_rbuff_tail == ppp->us_rbuff_end) \
us_rbuff_tail1175drivers/net/ppp.cppp->us_rbuff_tail = ppp->us_rbuff;
us_rbuff_tail1261drivers/net/ppp.cif (ppp->us_rbuff_head == ppp->us_rbuff_tail) {
us_rbuff_tail1656drivers/net/ppp.cif (ppp->us_rbuff_head != ppp->us_rbuff_tail) {
us_rbuff_tail218include/linux/if_ppp.hunsigned char    *us_rbuff_tail; /* tail of waiting packets  */