C++ Programming/Code/Standard C Library/Functions/realloc

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realloc

Syntax 
#include <cstdlib>
void *realloc( void *p, size_t s);

The function realloc() resizes a block created by malloc() or calloc(), and returns a pointer to the new memory region.

If the resize operation fails, realloc() returns NULL and leaves the old memory region intact.

Related topics
calloc - free - malloc
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