taglinefilesource code
escape311drivers/net/ppp.cppp->escape    = 0;
escape437drivers/net/ppp.cppp->escape  = 0;
escape889drivers/net/ppp.cppp->escape = PPP_TRANS;
escape893drivers/net/ppp.cif (ppp->escape)    /* PPP_ESC just before PPP_FLAG is illegal */
escape901drivers/net/ppp.cppp->escape = 0;
escape908drivers/net/ppp.cppp_enqueue (ppp, *c ^ ppp->escape);
escape909drivers/net/ppp.cppp->escape = 0;
escape968drivers/net/ppp.cppp->escape = PPP_TRANS;
escape972drivers/net/ppp.cif (ppp->escape)    /* PPP_ESC just before PPP_FLAG is "cancel"*/
escape980drivers/net/ppp.cppp->escape = 0;
escape987drivers/net/ppp.cppp_enqueue (ppp, c ^ ppp->escape);
escape988drivers/net/ppp.cppp->escape = 0;
escape173include/linux/ppp.hchar      escape;    /* 0x20 if prev char was PPP_ESC*/