function biz(baz, bar)
{
print baz, bar
}
function buz(baz, bar)
{
print length(baz), bar
}
function buz2(baz, baz1, bar, baz2)
{
print length(baz), length(baz1), bar, length(baz2)
baz2[0] = "baz2"
# baz[0] = "baz" # fatal
}
function buz3(baz)
{
buz2(baz, baz, split("abc", baz, ""), baz)
}
BEGIN {
biz(foo, foo != "")
biz(fy, fy = "fy")
biz(fi = 10, fi = 20)
print fi
buz(a, split("abc", a, ""))
buz2(c, c, split("abc", c, ""), c)
print c[0], length(c)
buz3(d)
print d[0], length(d)
biz(b, split("abc", b, ""))
}