Function memcpy

Kernel/src/string.cpp:65–85

extern "C"
void *memcpy(void* dest, const void* src, size_t count) {
	const char *sp = (char*)src;
	char *dp = (char *)dest;
	for(size_t i = count; i >= sizeof(uint64_t); i = count){
		*((uint64_t*)dp) = *((uint64_t*)sp);
		sp = sp + sizeof(uint64_t);
		dp = dp + sizeof(uint64_t);
		count -= sizeof(uint64_t);
	}
	for(size_t i = count; i >= 4; i = count){
		*((uint32_t*)dp) = *((uint32_t*)sp);
		sp = sp + 4;
		dp = dp + 4;
		count -= 4;
	}
	for (size_t i = count; i > 0; i = count){
		*(dp++) = *(sp++);
		count--;
	} 
	return dest;
}

extern "C"
int memcmp(const void *s1, const void *s2, size_t n) {