1 /* Public domain. */ 2 #include <stddef.h> 3 4 void * 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