MPPE_OPT_MPPC      13 drivers/net/ppp/ppp_mppe.h #define MPPE_OPT_UNSUPPORTED (MPPE_OPT_56|MPPE_OPT_MPPC|MPPE_OPT_D)
MPPE_OPT_MPPC      78 drivers/net/ppp/ppp_mppe.h            opts |= MPPE_OPT_MPPC;              \