Typically, when you start developing a new app, its interface is in a specific language, perhaps English, if you want to reach an international audience. By translating your app into other human languages, you can increase the number of people who can install, use, and recommend it.
A few weeks ago, I started learning the C programming language. It is rather challenging to switch the Cās way of thinking about software engineering. While learning how to work on strings, I wondered how to solve the topic of multilingual applications.
In this article, I will show you how to use Gettext functions to translate a terminal application and a GUI (made using GTK). I will show you how to test this solution using environment variables. And finally, I will show you how to manage multiple translations and even how to help yourself with machine translations using Localazy.
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