busybox/shell/ash_test/ash-misc/func_bash1.tests

function f() { echo $1; }
f 1

function f() ( echo $1; )
f 2

function f() ( echo $1 )
f 3

function f() for i in 1 2 3; do
	echo $i
done
f

function f { echo $1; }
f 1

# the next two don't work
#function f ( echo $1; )
f 2

#function f ( echo $1 )
f 3

function f for i in 1 2 3; do
	echo $i
done
f