Function cp

src/butil/iobuf.cpp:162–165

#endif  // ARCH_CPU_X86_64

void* cp(void *__restrict dest, const void *__restrict src, size_t n) {
    // memcpy in gcc 4.8 seems to be faster enough.
    return memcpy(dest, src, n);
}

// Function pointers to allocate or deallocate memory for a IOBuf::Block
void* (*blockmem_allocate)(size_t) = ::malloc;