Man pages matching name detect in section 3:

detect.3.en	debian 10 / libchardet-dev
detect.3.ko	debian 10 / libchardet-dev
detect.3.en	debian 11 / libchardet-dev
detect.3.ko	debian 11 / libchardet-dev
detect.3.en	debian 12 / libchardet-dev
detect.3.ko	debian 12 / libchardet-dev