Branch :
require Socket.Buf
Socket.Buf
a = %Socket.Buf{}
%Socket.Buf{addr: (Ptr) 0,
addr_len: (U32) 0,
addr_str: "",
buf_rw: %BufRW{r: (Buf*) 0,
w: (Buf*) 0},
closed: false,
closed_mutex: (Ptr) 0,
sockfd: (S64) -1,
ptag: (Tag*) 0}
a.buf_rw
%BufRW{r: (Buf*) 0,
w: (Buf*) 0}