static void LoadBlock(LoadState* S, void* b, size_t size)
{
size_t r=luaZ_read(S->Z,b,size);
IF (r!=0, "unexpected end");
}
static void LoadBlock(LoadState* S, void* b, size_t size)
{
if (luaZ_read(S->Z,b,size)!=0) error(S,"truncated");
}
static void ezread (LoadState* S, void* b, int n)
{
int r=luaZ_read(S->Z,b,n);
if (r!=0) unexpectedEOZ(S);
}