Static variables in C and C++

Question

Is there any difference between a variable declared as static outside any function between C and C++. I read that static means file scope and the varia

Answer 1

No, there's no difference between C and C++ in this respect.

Read this SO answer about what static means in a C program. In C++ there are a couple of other meanings related to the use of static for class variables (instead of instance variables).

Regarding global vars being static - only from the point of view of memory allocation (they are allocated on the data segment, as all globals are). From the point of view of visibility:

static int var;    // can't be seen from outside files
int var;           // can be seen from outside files (no 'static')