Function nullCheck

src/yvalve/why.cpp:1394–1399

}

static void nullCheck(const FB_API_HANDLE* ptr, ISC_STATUS code)
{
	// This function is called for incoming API handles, proposed to be created by the call.
	if (!ptr || *ptr)
		badHandle(code);
}

static void badSqldaVersion(const short version)
{