Man pages matching name xcmstekhvcquerymaxc in section 3:

XcmsTekHVCQueryMaxC.3.en	debian 10 / libx11-doc
XcmsTekHVCQueryMaxC.3.en	debian 11 / libx11-doc
XcmsTekHVCQueryMaxC.3.en	debian 12 / libx11-doc