26. Where’s More Memory?

Try the Heap

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Absolute beginners to C aren’t the only ones who might, at first, find this chapter’s concepts confusing. Even advanced C programmers get mixed up when dealing with the heap. The heap is the collection of unused memory in your computer. The memory left over—after your program, your program’s variables, and your operating system’s workspace—comprises your computer’s available heap space, as Figure 26.1 shows.

Figure 26.1. The heap is unused memory.

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