SC_CCP_OPEN
#define SC_FLAG_BITS (SC_NO_TCP_CCID|SC_CCP_OPEN|SC_CCP_UP|SC_LOOP_TRAFFIC \
if ((ppp->flags & (SC_CCP_OPEN | SC_CCP_UP)) != SC_CCP_OPEN)
ppp->flags &= ~(SC_CCP_OPEN | SC_CCP_UP);
if (cflags & SC_CCP_OPEN)