編程實現strcpy函數

char * strcpy1(char * strDest, const char* strsrc)
{
	if (strDest == nullptr || strsrc == nullptr)
	{
		return nullptr;
	}
	char * strDestCopy = strDest;
	while ((*strDest++ = *strsrc++) != '\0');
	return strDestCopy;

}