void foo(void)
{
int a = 0, b = 0;
char chvar = 0, var = 0;

a = 0;
b = 0;
chvar = 0;
var = 0;
}

void bar(void)
{
int a = 0;
int b = 0;
char chvar = 0;
char var = 0;

a = 0;
b = 0;
chvar = 0;
var = 0;
}
