IPCL_NONSTR
connp->conn_flags &= ~IPCL_NONSTR;
connp->conn_flags |= IPCL_NONSTR;
connp->conn_flags |= IPCL_NONSTR;
#define IPCL_IS_NONSTR(connp) ((connp)->conn_flags & IPCL_NONSTR)
econnp->conn_flags |= IPCL_NONSTR;
connp->conn_flags &= ~IPCL_NONSTR;
connp->conn_flags |= IPCL_NONSTR;
connp->conn_flags |= IPCL_NONSTR;
connp->conn_flags &= ~IPCL_NONSTR;