#include namespace android { extern "C" void _ZN7android13GraphicBuffer4lockEjPPvPiS3_(uint32_t inUsage, void** vaddr, int32_t* outBytesPerPixel, int32_t* outBytesPerStride); extern "C" void _ZN7android13GraphicBuffer4lockEjPPv(uint32_t inUsage, void** vaddr) { _ZN7android13GraphicBuffer4lockEjPPvPiS3_(inUsage, vaddr, nullptr, nullptr); } }