Modern C for Absolute Beginners: A Friendly Introduction to the C Programming Language

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2024

S. DmitrovićModern C for Absolute Beginnershttps://doi.org/10.1007/979-8-8688-0224-9_46

46. static Global Names

Slobodan Dmitrović¹  

(1)

Belgrade, Serbia

 

When we define a variable or a function inside the file/global scope, they have external linkage by default. They can be referred to from other .c files/translation units. The static keyword in front of variables and functions in a global scope marks them visible only to the current source file/translation unit, the unit in which they are declared/defined. We say the static specifier makes them have internal linkage. So, globals we do not want to share with other .c files should be marked as static. Both ...