1  extern void abort (void);
       2  extern int inside_main;
       3  
       4  __attribute__ ((__noinline__))
       5  void *
       6  memset (void *dst, int c, __SIZE_TYPE__ n)
       7  {
       8    while (n-- != 0)
       9      n[(char *) dst] = c;
      10  
      11    /* Single-byte memsets should be done inline when optimisation
      12       is enabled.  Do this after the copy in case we're being called to
      13       initialize bss.  */
      14  #ifdef __OPTIMIZE__
      15    if (inside_main && n < 2)
      16      abort ();
      17  #endif
      18  
      19    return dst;
      20  }