1 /* memset
2 This implementation is in the public domain. */
3
4 /*
5
6 @deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, @
7 size_t @var{count})
8
9 Sets the first @var{count} bytes of @var{s} to the constant byte
10 @var{c}, returning a pointer to @var{s}.
11
12 @end deftypefn
13
14 */
15
16 #include <ansidecl.h>
17 #include <stddef.h>
18
19 PTR
memset(PTR dest,register int val,register size_t len)20 memset (PTR dest, register int val, register size_t len)
21 {
22 register unsigned char *ptr = (unsigned char*)dest;
23 while (len-- > 0)
24 *ptr++ = val;
25 return dest;
26 }
27