#!/bin/sh

tu0(){

local local_var='local_var'
global_var='global_var'

foo()
{
	printf 'foo()\n'
	printf 'local_var: %s\n' "${local_var}"
	printf 'global_var: %s\n' "${global_var}"
}

}
tu0

tu1(){

bar()
{
	printf 'bar()\n'
	printf 'local_var: %s\n' "${local_var}"
	printf 'global_var: %s\n' "${global_var}"
}

}
tu1

main()
{
	foo
	bar
}

main "${@}"