07-24-2023, 05:37 AM
I know that global variables in C sometimes have the `extern` keyword. What is an `extern` variable? What is the declaration like? What is its scope?
This is related to sharing variables across source files, but how does that work precisely? Where do I use `extern`?
This is related to sharing variables across source files, but how does that work precisely? Where do I use `extern`?