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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <malloc.h>, <stdlib.h>
 
  Syntax:    void *realloc( void *memblock, size_t size );
 
             void __based( void ) *_brealloc( __segment seg,
                           void __based( void ) *memblock,
                           size_t size );
 
             void __far *_frealloc( void _far *memblock,
                                    size_t size );
 
             void __near *_nrealloc( void __near *memblock,
                                     size_t size );
 
  Returns:   a pointer to the reallocated memory if successful, or NULL
             (_NULLOFF for _brealloc) if not.
 
  See also:  _expand, malloc, calloc, free, new
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