c - When is memory allocated during compilation?

Question

When I write

int main()
{
    int j;
}

The memory for j is allocated at the time of compilation, but when during compilation?

What are the various stages of compilation when memory is allotted to a variable?

What if j were global?

Answer 1

I guess you are mixing things up.

Compiler doesn't allocate memory for variables - it generates code that allocates memory for variables at runtime. For globals is will be added to program start-up code.