Web Reference: Nov 14, 2025 · One of the most useful applications of function pointers is passing functions as arguments to other functions. This allows you to specify which function to call at runtime. Function pointers are useful primarily when you want to store functions in an array (or other structure), or when you need to pass a function to another function. First, it prevents code from inadvertently using the pointer to access the area of memory that was freed. Second, it prevents errors from occurring if delete is accidentally called on the pointer again.
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