__u32 xmit_async_map[8]; /* 1 bit means that given control
character is quoted on output*/
__u32 recv_async_map; /* 1 bit means that given control
__u32 xmit_async_map[8]; /* 1 bit means that given control
character is quoted on output*/
__u32 recv_async_map; /* 1 bit means that given control