1/* memset
2   This implementation is in the public domain.  */
3
4/*
5
6@deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, size_t @var{count})
7
8Sets the first @var{count} bytes of @var{s} to the constant byte
9@var{c}, returning a pointer to @var{s}.
10
11@end deftypefn
12
13*/
14
15#include <ansidecl.h>
16#include <stddef.h>
17
18PTR
19memset (PTR dest, register int val, register size_t len)
20{
21  register unsigned char *ptr = (unsigned char*)dest;
22  while (len-- > 0)
23    *ptr++ = val;
24  return dest;
25}
26