79 #define netbuf_copy_partial(buf, dataptr, len, offset) \  argument
81 #define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)  argument
82 #define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len)  argument
83 #define netbuf_len(buf)              ((buf)->p->tot_len)  argument
84 #define netbuf_fromaddr(buf)         (&((buf)->addr))  argument
85 #define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set((&(buf)->addr), fromaddr)  argument
86 #define netbuf_fromport(buf)         ((buf)->port)  argument
88 #define netbuf_destaddr(buf)         (&((buf)->toaddr))  argument
89 #define netbuf_set_destaddr(buf, destaddr) ip_addr_set((&(buf)->addr), destaddr)  argument
90 #define netbuf_destport(buf)         (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum …  argument
93 #define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \  argument