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In C language, what does Realloc mean?
Article Introduction:The C library's memory allocation function void*realloc(void*ptr,size_tsize) attempts to resize the memory block pointed to by ptr that was previously allocated using a malloc or calloc call. Memory Allocation Functions Memory can be allocated in two ways: Once memory is allocated at compile time, it cannot be changed during execution. Either there is insufficient memory or it is a waste of memory. The solution is to create memory dynamically, i.e. based on the program's needs during execution. The standard library functions used for dynamic memory management are as follows: malloc()calloc()realloc()free()realloc() function is used to reallocate allocated memory. Allocation can be reduced or increased
2023-08-28
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