define n endef a=$(call b,$c,$(call c,$3,$4)) b=$(if $2,$(if $1,$(call b,$h,$(call h,$2)),-$(words $2)),$(words $1)) c=$(call d,$e,$(call e,$2)) d=$(if $1,$(call d,$h,$2) $2,0) e=$(wordlist 1,$1,$y$y$y) f=$(info $(call a,$2,$6,$3,$5) $(call a,$3,$4,$1,$6) $(call a,$1,$5,$2,$4)) h=$(wordlist 2,99,$1) y=0 0 0 z=, $(foreach i,$(subst $n, ,$(subst $x ,$z,$(STDIN))),$(eval $$(call f,$i)))
Note that non-ascii characters in the above source code will be escaped (such as \x9f).