From 4311e3866710ed02cef29cd62d66c123b9300f14 Mon Sep 17 00:00:00 2001 From: Divay Prakash Date: Tue, 9 Oct 2018 23:10:17 +0530 Subject: Make description of static keyword stronger, closes #2848 --- c.html.markdown | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'c.html.markdown') diff --git a/c.html.markdown b/c.html.markdown index bf93dcf5..7975a1c2 100644 --- a/c.html.markdown +++ b/c.html.markdown @@ -605,6 +605,14 @@ static int j = 0; //other files using testFunc2() cannot access variable j void testFunc2() { extern int j; } +// The static keyword makes a variable inaccessible to code outside the +// compilation unit. (On almost all systems, a "compilation unit" is a .c +// file.) static can apply both to global (to the compilation unit) variables, +// functions, and function-local variables. When using static with +// function-local variables, the variable is effectively global and retains its +// value across function calls, but is only accessible within the function it +// is declared in. Additionally, static variables are initialized to 0 if not +// declared with some other starting value. //**You may also declare functions as static to make them private** /////////////////////////////////////// -- cgit v1.2.3