hdlc_proto 33 include/linux/hdlc.h struct hdlc_proto *next; /* next protocol in the list */ hdlc_proto 47 include/linux/hdlc.h const struct hdlc_proto *proto; hdlc_proto 67 include/linux/hdlc.h void register_hdlc_protocol(struct hdlc_proto *proto); hdlc_proto 68 include/linux/hdlc.h void unregister_hdlc_protocol(struct hdlc_proto *proto); hdlc_proto 101 include/linux/hdlc.h int attach_hdlc_protocol(struct net_device *dev, struct hdlc_proto *proto,