104   struct iovec vec[2];  in fuse_reply()  local
105   vec[0].iov_base = &hdr;  in fuse_reply()
106   vec[0].iov_len = sizeof(hdr);  in fuse_reply()
107   vec[1].iov_base = const_cast<void*>(data);  in fuse_reply()
108   vec[1].iov_len = len;  in fuse_reply()
110   int res = writev(fd->ffd, vec, 2);  in fuse_reply()
299   struct iovec vec[3];  in handle_read()  local
300   vec[0].iov_base = &outhdr;  in handle_read()
301   vec[0].iov_len = sizeof(outhdr);  in handle_read()
321     vec[1].iov_base = fd->block_data + block_offset;  in handle_read()
322     vec[1].iov_len = size;  in handle_read()
328     vec[1].iov_base = fd->extra_block;  in handle_read()
329     vec[1].iov_len = fd->block_size - block_offset;  in handle_read()
333     vec[2].iov_base = fd->block_data;  in handle_read()
334     vec[2].iov_len = size - vec[1].iov_len;  in handle_read()
338   if (writev(fd->ffd, vec, vec_used) == -1) {  in handle_read()