[HELP] Problem

strtok(const string[], &index)
{
 new length = strlen(string);
 while ((index < length) && (string[index] <= ' '))
 {
  index++;
 }


 new offset = index;
 new result[20];
 while ((index < length) && (string[index] > ' ') && ((index - offset) < (sizeof(result) - 1)))
 {
  result[index - offset] = string[index];
  index++;
 }
 result[index - offset] = EOS;
 return result;
}