edit 'c/fc /
,x/[0-9]+/a/ /
c/ + rep\n/' t2


edit 'c/DEVS=/
,x/^dev\n(	.+\n)+/y/^dev/x/.*\n/{
s/^	([a-z]+)/dev\1.obj /
y/^	[a-z]+/x/[a-z]+/a/.obj /
}
c/\n/' t3

edit '
c/LIBS=/
,x/^lib\n(	.+\n)+/y/^lib/x/[a-z]+/a/ /
c/\n/
' t3

edit 'c/PORT=/
,x/^port\n(	.+\n)+/y/port/x/[a-z]+/a/.obj /
c/\n/' t3