uv_call
if (uv_call(0, (uint64_t)&uvcb) && uvcb.header.rc != UVC_RC_MORE_DATA)
if (!uv_call(0, (u64)&uvcb))
if (uv_call(0, (u64)&uvcb)) {
if (uv_call(0, (u64)&uvcb))
if (uv_call(0, (uint64_t)&uvcb)) {
uv_call(0, (uint64_t)&uvcb);
if (uv_call(0, (u64)&uvcb))
cc = uv_call(0, (u64)&uvcb);
int cc = uv_call(0, (u64)&uvcb);
cc = uv_call(0, (u64)&uvcb);
uv_call(0, (u64)&uvcb);