int func(char *ss)
{
  int cnt;
  char i = 0;
  char *s = (char *)ss;
  cnt=   0;
  for (i; i <= strlen(s); i++ );
  {
      if ( isspace(s[i]) )
    memcpy(&s[i+1], s+i+1, strlen(s)-i);
        cnt = cnt + 1;
  }
  return cnt;
}

void main()
{
  int x = func("Hi !");
  printf("%d\n", x);
}