(*Require Import VST.floyd.forward. To have access to lower level tactics*)

Lemma semax_func_split n Espec V G cs ge funs specs:
@semax_func Espec V G cs ge (firstn n funs) (firstn n specs) ->
@semax_func Espec V G cs ge (skipn n funs) (skipn n specs) ->
length funs = length specs ->
@semax_func Espec V G cs ge funs specs.