To read from a text file in C, you will need to open a file stream using the fopen() function. Once a file stream has been opened, you can then read the file line by line using the fgets() function.

Using any programming language, even C, a programmer can print formatted XML markup to a file for processing by any other program. The XML file format is primarily based on the notion of "metadata." ...

you’ll find C and C++ files. You’re almost sure never to use C professionally, but learning it is a rite of passage for programmers. The C programming language has influenced many other languages.