CDBUFSIZE         519 ext/zip/lib/zip_open.c     i = fseeko(fp, -(len < CDBUFSIZE ? len : CDBUFSIZE), SEEK_END);
CDBUFSIZE         528 ext/zip/lib/zip_open.c     if ((buf=(unsigned char *)malloc(CDBUFSIZE)) == NULL) {
CDBUFSIZE         534 ext/zip/lib/zip_open.c     buflen = fread(buf, 1, CDBUFSIZE, fp);