Question: ( a ) Write a program that dynamically allocates an array of integers of user - defined size, fills it with data, and then frees

(a) Write a program that dynamically allocates an array of integers of user-defined size, fills it with data, and then frees the memory.
(b) Explain the difference between malloc, calloc, and realloc. Give an example of each.
(c) Write a function that creates a copy of a string using dynamic memory allocation.

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