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 9Sets 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 19void * 20memset (void *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