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#include
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#include
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#include
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/*
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char* itoa(int n, char* s)
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char *__reverse(char *str)
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{
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{
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  char tmp, *src, *dst;
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  int sign;
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  size_t len;
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  if (str != NULL){
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      len = strlen (str);
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      if (len > 1) {
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          src = str;
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          dst = src + len - 1;
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          while (src < dst) {
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              tmp = *src;
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              *src++ = *dst;
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              *dst-- = tmp;
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  char *ptr;
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          }
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      }
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  }
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  ptr = s;
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  return str;
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}
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/* itoa from K&R */
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  if(n == (int)0x80000000)
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void itoa(int n, char s[])
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{
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    return strcpy(s, "-2147483648");  // overflowed -n
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    int i, sign;
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  if ((sign = n) < 0) n = -n;
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    if ((sign = n) < 0)        /* record sign */
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        n = -n;                /* make n positive */
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  do {
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    i = 0;
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    do {                       /* generate digits in reverse order */
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    *ptr++ = n % 10 + '0';
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        s[i++] = n % 10 + '0'; /* get next digit */
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    } while ((n = n / 10) > 0);
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    } while ((n /= 10) > 0);   /* delete it */
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    if (sign < 0)
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  if (sign < 0) *ptr++ = '-';
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        s[i++] = '-';
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    __reverse(s);
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  *ptr = '\0';
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    s[i] = '\0';
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  return strrev(s);
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    return;
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}
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}
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*/
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