Function cfseek

cfile/cfile.cpp:604–623

Just like stdio fseek(), except works on a CFILE

}
// Just like stdio fseek(), except works on a CFILE
int cfseek(CFILE *cfp, long offset, int where) {
  int c;
  long goal_position;
  switch (where) {
  case SEEK_SET:
    goal_position = offset;
    break;
  case SEEK_CUR:
    goal_position = cfp->position + offset;
    break;
  case SEEK_END:
    goal_position = cfp->size + offset;
    break;
  default:
    return 1;
  }
  c = fseek(cfp->file, cfp->lib_offset + goal_position, SEEK_SET);
  cfp->position = ftell(cfp->file) - cfp->lib_offset;
  return c;
}

// Just like stdio ftell(), except works on a CFILE
long cftell(CFILE *cfp) { return cfp->position; }