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[external/binutils.git] / libiberty / memset.c
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 }