CDBUFSIZE         506 ext/zip/lib/zip_open.c     i = fseeko(fp, -(len < CDBUFSIZE ? len : CDBUFSIZE), SEEK_END);
CDBUFSIZE         515 ext/zip/lib/zip_open.c     if ((buf=(unsigned char *)malloc(CDBUFSIZE)) == NULL) {
CDBUFSIZE         521 ext/zip/lib/zip_open.c     buflen = fread(buf, 1, CDBUFSIZE, fp);
CDBUFSIZE         531 ext/zip/lib/zip_open.c     match = buf+ (buflen < CDBUFSIZE ? 0 : EOCD64LOCLEN);