#include <stdio.h> int common1; int common2; int common3; static int common4; int data1 = 1; int data2 = 2; int data3 = 3; static int data4 = 4; int foo() { common1 = 1; common2 = 2; common3 = 3; common4 = 4; return data1 + data2 + data3 + data4 + common1 + common2 + common3 + common4; }