dccp_ioctl        310 net/dccp/dccp.h int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg);
dccp_ioctl        944 net/dccp/ipv4.c 	.ioctl			= dccp_ioctl,
dccp_ioctl       1032 net/dccp/ipv6.c 	.ioctl		   = dccp_ioctl,
dccp_ioctl        402 net/dccp/proto.c EXPORT_SYMBOL_GPL(dccp_ioctl);