本文深入探讨了C语言中free()函数的作用与使用方法。free()函数用于动态地释放由malloc()和calloc()分配的内存，避免了内存泄漏的问题，有助于提高程序的效率和稳定性。
C free() method
“free” method in C is used to dynamically de-allocate the memory. The memory allocated using functions malloc() and calloc() is not de-allocated on their own. Hence the free() method is used, whenever the dynamic memory allocation takes place. It helps to reduce wastage of memory by freeing it.
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