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/* calloc -- allocate memory which has been initialized to zero.

   This function is in the public domain. */

/*

@deftypefn Supplemental void* calloc (size_t @var{nelem}, size_t @var{elsize})

Uses @code{malloc} to allocate storage for @var{nelem} objects of

@var{elsize} bytes each, then zeros the memory.

@end deftypefn

*/

#include "ansidecl.h"

#include <stddef.h>

/* For systems with larger pointers than ints, this must be declared.  */

PTR malloc (size_t);

void bzero (PTR, size_t);

PTR

calloc (size_t nelem, size_t elsize)

{

  register PTR ptr;

  if (nelem == 0 || elsize == 0)

    nelem = elsize = 1;

  ptr = malloc (nelem * elsize);

  if (ptr) bzero (ptr, nelem * elsize);

  return ptr;

}