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Q.

With every use of memory allocation function, what function should be used to release allocated memory which is no longer needed?

A dropmem()
B dealloc()
C release()
D free()
Answer & Explanation
Option: [D]

The library function free() is used to deallocate the memory that is no longer be used. This deallocated memory is dynamically allocated by malloc, calloc and realloc previously.

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