if $1x = x goto null
set d = $1
goto ok
: null
set d = .
: ok
if $2x = x goto mnull
set m = $2
goto mok
: mnull
set m = 34
: mok
if $m != 45 goto not45
set f = -d
set g = -r
: not45
ld -x $f $g $d/l.o m$m.o $d/c.o $d/ttyc.o ../lib1 ../lib2 ../dummy_lib3
