calloc.c
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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"
#ifdef ANSI_PROTOTYPES
#include <stddef.h>
#else
#define size_t unsigned long
#endif
/* For systems with larger pointers than ints, this must be declared. */
PTR malloc PARAMS ((size_t));
void bzero PARAMS ((PTR, size_t));
PTR
calloc (nelem, elsize)
size_t nelem, elsize;
{
register PTR ptr;
if (nelem == 0 || elsize == 0)
nelem = elsize = 1;
ptr = malloc (nelem * elsize);
if (ptr) bzero (ptr, nelem * elsize);
return ptr;
}