/* memset   This implementation is in the public domain.  */ /* @deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, @  size_t @var{count}) Sets the first @var{count} bytes of @var{s} to the constant byte@var{c}, returning a pointer to @var{s}. @end deftypefn */ #include <ansidecl.h>#include <stddef.h> void *memset (void *dest, register int val, register size_t len){  register unsigned char *ptr = (unsigned char*)dest;  while (len-- > 0)    *ptr++ = val;  return dest;}