Will a value live perpetually when there's no reference to it?

Question

Suppose the following minimal code:

#include 
char character = \'c\';
int main (void)
{
    char character = \'b\';
    printf(\"The current value         


        

Answer 1

Normaly, the global variable will stay. Since your local variable only shadows the name, it doesn't affect the storage.

But it could also depend on linker settings. Linker could optimize the unsused global variable out.