is_useropt 202 include/net/ndisc.h int (*is_useropt)(u8 nd_opt_type); is_useropt 229 include/net/ndisc.h if (dev->ndisc_ops && dev->ndisc_ops->is_useropt) is_useropt 230 include/net/ndisc.h return dev->ndisc_ops->is_useropt(nd_opt_type); is_useropt 225 net/6lowpan/ndisc.c .is_useropt = lowpan_ndisc_is_useropt,