1  extern void abort (void);
       2  extern int inside_main;
       3  
       4  __attribute__ ((__noinline__))
       5  char *
       6  stpcpy (char *dst, const char *src)
       7  {
       8  #ifdef __OPTIMIZE__
       9    if (inside_main)
      10      abort ();
      11  #endif
      12  
      13    while (*src != 0)
      14      *dst++ = *src++;
      15  
      16    *dst = 0;
      17    return dst;
      18  }