C Interview Questions and Answers

 

What does static variable mean in c?

there are 3 main uses for the static.



1. If you declare within a function:



It retains the value between function calls





2.If it is declared for a function name:



By default function is extern..so it will be visible from other files if the function
declaration is as static..it is invisible for the outer files





3. Static for global variables:



By default we can use the global variables from outside files If it is static global..that
variable is limitied to with in the file

Posted by:Richards