SCA               285 drivers/net/wan/hdlc_ppp.c 	{  STA|0  ,IRC|SCR|SCA|5,  2  ,  SCA|5  ,SCA|6,  SCA|5  ,SCR|SCA|5}, /* RCR+ */
SCA               332 drivers/net/wan/hdlc_ppp.c 	if (action & SCA)	/* send Configure-Ack */