`sig
val ocamlfind : unit -> OASISTypes.host_filename
val ocamlc : unit -> OASISTypes.host_filename
val ocamlopt : unit -> OASISTypes.host_filename
val ocamlbuild : unit -> OASISTypes.host_filename
val flexlink : unit -> OASISTypes.host_filename
val flexdll_version : unit -> string
val pkg_name : unit -> OASISTypes.name
val pkg_version : unit -> OASISVersion.StringVersion.t
val os_type : unit -> string
val system : unit -> string
val architecture : unit -> string
val ccomp_type : unit -> string
val ocaml_version : unit -> string
val standard_library_default : unit -> OASISTypes.host_dirname
val standard_library : unit -> OASISTypes.host_dirname
val standard_runtime : unit -> OASISTypes.host_filename
val bytecomp_c_compiler : unit -> string
val native_c_compiler : unit -> string
val model : unit -> string
val ext_obj : unit -> string
val ext_asm : unit -> string
val ext_lib : unit -> string
val ext_dll : unit -> string
val default_executable_name : unit -> string
val systhread_supported : unit -> string
val prefix : unit -> OASISTypes.host_dirname
val exec_prefix : unit -> OASISTypes.host_dirname
val bindir : unit -> OASISTypes.host_dirname
val sbindir : unit -> OASISTypes.host_dirname
val libexecdir : unit -> OASISTypes.host_dirname
val sysconfdir : unit -> OASISTypes.host_dirname
val sharedstatedir : unit -> OASISTypes.host_dirname
val localstatedir : unit -> OASISTypes.host_dirname
val libdir : unit -> OASISTypes.host_dirname
val datarootdir : unit -> OASISTypes.host_dirname
val datadir : unit -> OASISTypes.host_dirname
val infodir : unit -> OASISTypes.host_dirname
val localedir : unit -> OASISTypes.host_dirname
val mandir : unit -> OASISTypes.host_dirname
val docdir : unit -> OASISTypes.host_dirname
val htmldir : unit -> OASISTypes.host_dirname
val dvidir : unit -> OASISTypes.host_dirname
val pdfdir : unit -> OASISTypes.host_dirname
val psdir : unit -> OASISTypes.host_dirname
val destdir : unit -> OASISTypes.host_dirname
val findlib_version : unit -> OASISVersion.StringVersion.t
val is_native : unit -> string
val ext_program : unit -> string
val rm : unit -> string
val rmdir : unit -> string
val debug : unit -> string
val profile : unit -> string
val tests : unit -> string
val docs : unit -> string
val native_dynlink : unit -> string
val init : OASISTypes.package -> unit
end`