SPLICE_F_MOVE
if (flags & SPLICE_F_MOVE)
this_len, SPLICE_F_MOVE);
#define SPLICE_F_ALL (SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT)
SPLICE_F_MOVE | SPLICE_F_MORE);
SPLICE_F_MOVE | SPLICE_F_MORE);
size, SPLICE_F_MOVE);
ts->pipe_size, SPLICE_F_MOVE | SPLICE_F_MORE);
SPLICE_F_MOVE | SPLICE_F_MORE);