Install libicapapi4 by entering the following commands in the terminal:
sudo apt update sudo apt install libicapapi4
Description:
ICAP API library
C-ICAP is an implementation of an ICAP server. It can be used with HTTP proxies that support the ICAP protocol to implement content adaptation and filtering services. . Most of the commercial HTTP proxies must support the ICAP protocol. The open source Squid 3.x proxy server supports it. . This Package contains the ICAP API library.
Homepage: http://c-icap.sourceforge.net/
Version: 1:0.4.4-1
Section: universe/net