//
//  playExtern.c
//  
//
//  Created by Ying Li on 2/23/20.
//

#include "playExtern.h"

// This is where the extern variable is defined (i.e. given its value)
int gblA = 3; // gives initial value to the global variable. global lifetime

void printExternVal () {    
    extern int glbB;
    glbB = 5;
    printf("pe: Callee gblA %d at address: %p \n", gblA, &gblA);
}

// potential question to ask: where is an extern var stored? is it stored in the stack with the local vars?