sctp_outq_sack   1166 include/net/sctp/structs.h int sctp_outq_sack(struct sctp_outq *, struct sctp_sackhdr *);
sctp_outq_sack    669 net/sctp/sm_sideeffect.c 	if (sctp_outq_sack(&asoc->outqueue, sackh)) {