xref: /openbsd/gnu/lib/libiberty/src/memset.c (revision d415bd75)
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 
8 Sets 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 
18 PTR
19 memset (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