Where is the practical use of all functions of memory management ?

Question

Like calloc , malloc , free . I could not understand . Please teach me with the help of simple program .

Answer 1

You can find detailed information here:

https://www.tutorialspoint.com/cprogramming/c_memory_management.htm

Answer 2

This page lists all functions defined in <stdlib.h> (<cstdlib> for C++), each function details page has intro, and a little example.

http://www.cplusplus.com/reference/cstdlib/