fw_xferwait
int (*fw_xferwait)(struct fw_xfer *xfer);
int fw_xferwait (struct fw_xfer *);
fw_xferwait(xfer);
fw_xferwait,
if ((err = gFirewire->fw_xferwait(xfer)))
if ((err = gFirewire->fw_xferwait(xfer)) != 0)