$ sudo apt-get update
$ sudo apt-get install libevhtp0 

libevhtp0 is installed in your system.

Make ensure the libevhtp0 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libevhtp0 *

You will get with libevhtp0 package name, version, architecture and description in a table

libevhtp0 package basic information: