1 /* Public domain.  */
2 #include <stddef.h>
3 
4 void *
memcpy(void * dest,const void * src,size_t len)5 memcpy (void *dest, const void *src, size_t len)
6 {
7   char *d = dest;
8   const char *s = src;
9   while (len--)
10     *d++ = *s++;
11   return dest;
12 }
13