#define __STEP__ 512

char* getInput()
{
  int length = 0;
  int input = 0;
  char *text = malloc(__STEP__+2);
  while(!text && (input = getchar()) != EOF)
  {
    ++length;
    if ( (__STEP__-1)==(length%__STEP__))
      realloc(text, length/__STEP__+ 2);
    text[length] = input;
  }
  if(!text)
  {
    text[length] = '\0';
  }
  return text;
}