How to allocate memory space without using malloc or new operator?

Question

When my friend had his interview yesterday, he was asked a question: Implement a function that allocates memory space without using the *alloc or new operator, and the func

Answer 1

You can do it via a system call such as sbrk(), rather than using a C library function or a C++ language feature. There is absolutely no reason to do this, however, so this is a very crappy question.