Install libstrophe-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libstrophe-dev
Description:
Library for writing XMPP clients - development files
libstrophe is a lightweight XMPP client library written in C. It has minimal dependencies and is configurable for various environments. . This package contains the development files.
Homepage: http://strophe.im/
Version: 0.9.2-1
Section: universe/libdevel