Dynamic Memory Allocation Function

How to allocate space using Dynamic Memory Allocation Function in C++?


Dynamic Allocation Function are used to allocate space or memory dynamically or at run time. The header file used by the dynamic allocation functions is "<cstdlib>".

Different C++ compilers support these functions in different variants, to accommodate various options and environmental differences. Following table lists some basic dynamic memory allocation function to allocate space.
Name Description
calloc Allocates memory of the specified size
free Returns the memory pointed by the pointer.
malloc Returns a pointer to the first byte of the memory.
realloc Changes the size of the previously allocated.

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