Compile (brzo.Brzo_b0

val c_to_o : 
  ?post_exec:(B0_zero.Op.t -> unit) ->
  ?k:(B0_zero.Op.t -> int -> unit) ->
  ?args:B0_std.Cmd.t ->
  B0_memo.t ->
  deps:B0_std.Fpath.t list ->
  c:B0_std.Fpath.t ->
  o:B0_std.Fpath.t ->
  unit

c_to_o m ~deps ~c ~o compiles c to the object file o assuming c depends on deps.