gzread
if (gzread(file, uncompr, (unsigned)uncomprLen) != len) {
len = gzread(in, buf, sizeof(buf));
ZEXTERN int ZEXPORT gzread(gzFile file, voidp buf, unsigned len);
len = gzread(in, buf, sizeof(buf));
while ((bytes = gzread(in, buffer, sizeof(buffer))) > 0)
while (gzread(in, buffer, sizeof(buffer)) > 0);
return gzread(cookie, data, size);
ZEXTERN int ZEXPORT gzread(gzFile, voidp, unsigned);
nr = gzread(gzbufdesc, buffer, MAXBUFSIZ);