dccp_recvmsg 305 net/dccp/dccp.h extern int dccp_recvmsg(struct kiocb *iocb, struct sock *sk, dccp_recvmsg 930 net/dccp/ipv4.c .recvmsg = dccp_recvmsg, dccp_recvmsg 1130 net/dccp/ipv6.c .recvmsg = dccp_recvmsg,