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It may be that there is simply insufficient memory available – this suggests various courses of action. However, it may be that there is sufficient memory, but not available in one contiguous chunk that can satisfy the allocation request. This situation is called memory fragmentation.
This procedure is referred to as Dynamic Memory Allocation in C. Therefore, C Dynamic Memory Allocation can be defined as a procedure in which the size of a data structure (like Array) is changed during the runtime. C provides some functions to achieve these tasks.
To allocate memory dynamically, library functions are malloc() , calloc() , realloc() and free() are used.
How does the defragmentation of dynamically allocated memory (allocated using the new and malloc operator ) work in C++?
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