A function with two arguments, the second typeless anonymous:
integer
fa(integer a,)
{
}
A function with all pas by reference arguments, some typeless:
void
fb(text &a, &, &, integer &d)
{
}
A variadic function with mixed typed and typeless arguments:
text
fc(text s,, &, ...)
{
}
A function with one typeless argument:
void
fd()
{
}
A function with four typeless arguments:
void
fe(,,,)
{
}