## Foreign structure

This is the new foreign-function interface

    signature FOREIGN =
    sig
        exception Foreign of string

        structure Memory:
        sig
            eqtype volatileRef
            val volatileRef: SysWord.word -> volatileRef
            val setVolatileRef: volatileRef * SysWord.word -> unit
            val getVolatileRef: volatileRef -> SysWord.word

            eqtype voidStar
            val voidStar2Sysword: voidStar -> SysWord.word
            val sysWord2VoidStar: SysWord.word -> voidStar
            val null: voidStar

            val ++ : voidStar * word -> voidStar
            val -- : voidStar * word -> voidStar

            val memoise: ('a -> voidStar) ->'a -> unit -> voidStar

            exception Memory

            val malloc: word -> voidStar
            val free: voidStar -> unit

            val get8:  voidStar * Word.word -> Word8.word
            val get16: voidStar * Word.word -> Word.word
            val get32: voidStar * Word.word -> Word32.word
            val get64: voidStar * Word.word -> SysWord.word
            val set8:  voidStar * Word.word * Word8.word -> unit
            val set16: voidStar * Word.word * Word.word -> unit
            val set32: voidStar * Word.word * Word32.word -> unit
            val set64: voidStar * Word.word * SysWord.word -> unit

            val getFloat:   voidStar * Word.word -> real
            val getDouble:  voidStar * Word.word -> real
            val setFloat:   voidStar * Word.word * real -> unit
            val setDouble:  voidStar * Word.word * real -> unit

            val getAddress: voidStar * Word.word -> voidStar
            val setAddress: voidStar * Word.word * voidStar -> unit
        end

        structure System:
        sig
            type voidStar = Memory.voidStar
            val loadLibrary: string -> voidStar
            and loadExecutable: unit -> voidStar
            and freeLibrary: voidStar -> unit
            and getSymbol: voidStar * string -> voidStar
        end

        structure LibFFI:
        sig
            eqtype abi
            (* List of ABIs defined in libffi for this platform. *)
            val abiList: (string * abi) list
            (* The default Abi. *)
            val abiDefault:         abi

            (* Type codes. *)
            val ffiTypeCodeVoid:    Word.word
            and ffiTypeCodeInt:     Word.word
            and ffiTypeCodeFloat:   Word.word
            and ffiTypeCodeDouble:  Word.word
            and ffiTypeCodeUInt8:   Word.word
            and ffiTypeCodeSInt8:   Word.word
            and ffiTypeCodeUInt16:  Word.word
            and ffiTypeCodeSInt16:  Word.word
            and ffiTypeCodeUInt32:  Word.word
            and ffiTypeCodeSInt32:  Word.word
            and ffiTypeCodeUInt64:  Word.word
            and ffiTypeCodeSInt64:  Word.word
            and ffiTypeCodeStruct:  Word.word
            and ffiTypeCodePointer: Word.word

            eqtype ffiType
            val ffiType2voidStar: ffiType -> Memory.voidStar
            val voidStar2ffiType: Memory.voidStar -> ffiType

            val getFFItypeVoid: unit -> ffiType
            and getFFItypeUint8: unit -> ffiType
            and getFFItypeSint8: unit -> ffiType
            and getFFItypeUint16: unit -> ffiType
            and getFFItypeSint16: unit -> ffiType
            and getFFItypeUint32: unit -> ffiType
            and getFFItypeSint32: unit -> ffiType
            and getFFItypeUint64: unit -> ffiType
            and getFFItypeSint64: unit -> ffiType
            and getFFItypeFloat: unit -> ffiType
            and getFFItypeDouble: unit -> ffiType
            and getFFItypePointer: unit -> ffiType
            and getFFItypeUChar: unit -> ffiType
            and getFFItypeSChar: unit -> ffiType
            and getFFItypeUShort: unit -> ffiType
            and getFFItypeSShort: unit -> ffiType
            and getFFItypeUint: unit -> ffiType
            and getFFItypeSint: unit -> ffiType
            and getFFItypeUlong: unit -> ffiType
            and getFFItypeSlong: unit -> ffiType

            val extractFFItype:
                ffiType -> { size: word, align: word, typeCode: word, elements: ffiType list }
            val createFFItype:
                { size: word, align: word, typeCode: word, elements: ffiType list } -> ffiType

            eqtype cif
            val cif2voidStar: cif -> Memory.voidStar
            val voidStar2cif: Memory.voidStar -> cif
            val createCIF: abi * ffiType * ffiType list -> cif
            val callFunction:
                { cif: cif, function: Memory.voidStar, result: Memory.voidStar, arguments: Memory.voidStar } -> unit

            val createCallback:
                (Memory.voidStar * Memory.voidStar -> unit) * cif -> Memory.voidStar
            val freeCallback: Memory.voidStar -> unit
        end

        type library
        type symbol
        val loadLibrary: string -> library
        val loadExecutable: unit -> library
        val getSymbol: library -> string  -> symbol
        val symbolAsAddress: symbol -> Memory.voidStar

        structure LowLevel:
        sig
            type ctype =
            {
                size: Word.word, (* Size in bytes *)
                align: Word.word, (* Alignment *)
                ffiType: unit -> LibFFI.ffiType
            }

            val cTypeVoid: ctype
            and cTypePointer: ctype
            and cTypeInt8: ctype
            and cTypeChar: ctype
            and cTypeUint8: ctype
            and cTypeUchar: ctype
            and cTypeInt16: ctype
            and cTypeUint16: ctype
            and cTypeInt32: ctype
            and cTypeUint32: ctype
            and cTypeInt64: ctype
            and cTypeUint64: ctype
            and cTypeInt: ctype
            and cTypeUint: ctype
            and cTypeLong: ctype
            and cTypeUlong: ctype
            and cTypeFloat: ctype
            and cTypeDouble: ctype

            val cStruct: ctype list -> ctype

            val callwithAbi: LibFFI.abi -> ctype list -> ctype -> symbol -> Memory.voidStar list * Memory.voidStar -> unit
            val call: ctype list -> ctype -> symbol -> Memory.voidStar list * Memory.voidStar -> unit

            val cFunctionWithAbi:
                LibFFI.abi -> ctype list -> ctype -> (Memory.voidStar * Memory.voidStar -> unit) -> Memory.voidStar
            val cFunction:
                ctype list -> ctype -> (Memory.voidStar * Memory.voidStar -> unit) -> Memory.voidStar
        end

        type 'a conversion

        val makeConversion:
            {
                load: Memory.voidStar -> 'a, (* Load a value from C memory *)
                store: Memory.voidStar * 'a -> unit -> unit, (* Store value and return free function. *)
                ctype: LowLevel.ctype
            } -> 'a conversion

        val breakConversion:
            'a conversion ->
            {
                load: Memory.voidStar -> 'a, (* Load a value from C memory *)
                store: Memory.voidStar * 'a -> unit -> unit, (* Store value and return free function. *)
                ctype: LowLevel.ctype
            }

        val cVoid: unit conversion
        val cPointer: Memory.voidStar conversion
        val cInt8: int conversion
        val cUint8: int conversion
        val cChar: char conversion
        val cUchar: Word8.word conversion
        val cInt16: int conversion
        val cUint16: int conversion
        val cInt32: int conversion
        val cUint32: int conversion
        val cInt64: int conversion
        val cUint64: int conversion
        val cShort: int conversion
        val cUshort: int conversion
        val cInt: int conversion
        val cUint: int conversion
        val cLong: int conversion
        val cUlong: int conversion
        val cString: string conversion
        val cByteArray: Word8Vector.vector conversion
        val cFloat: real conversion
        val cDouble: real conversion

        (* When a pointer e.g. a string may be null. *)
        val cOptionPtr: 'a conversion -> 'a option conversion

        type 'a closure

        val cFunction: ('a->'b) closure conversion

        val buildClosure0withAbi: (unit -> 'a) * LibFFI.abi * unit * 'a conversion -> (unit -> 'a) closure
        val buildClosure0: (unit -> 'a) * unit * 'a conversion -> (unit -> 'a) closure
        val buildClosure1withAbi: ('a -> 'b) * LibFFI.abi * 'a conversion * 'b conversion -> ('a -> 'b) closure
        val buildClosure1:  ('a -> 'b) * 'a conversion * 'b conversion -> ('a -> 'b) closure
        val buildClosure2withAbi:
             ('a * 'b -> 'c) * LibFFI.abi * ('a conversion * 'b conversion) * 'c conversion -> ('a * 'b -> 'c) closure
        val buildClosure2: ('a * 'b -> 'c) * ('a conversion * 'b conversion) * 'c conversion -> ('a * 'b -> 'c) closure
        val buildClosure3withAbi:
             ('a * 'b *'c -> 'd) * LibFFI.abi * ('a conversion * 'b conversion * 'c conversion) * 'd conversion ->
                ('a * 'b *'c -> 'd) closure
        val buildClosure3: ('a * 'b *'c -> 'd) * ('a conversion * 'b conversion * 'c conversion) * 'd conversion ->
                ('a * 'b *'c -> 'd) closure
        val buildClosure4withAbi:
             ('a * 'b * 'c  * 'd -> 'e) * LibFFI.abi * ('a conversion * 'b conversion * 'c conversion* 'd conversion) * 'e conversion ->
                ('a * 'b * 'c * 'd -> 'e) closure
        val buildClosure4:
            ('a * 'b * 'c  * 'd -> 'e) * ('a conversion * 'b conversion * 'c conversion* 'd conversion) * 'e conversion ->
                ('a * 'b * 'c * 'd -> 'e) closure
        val buildClosure5withAbi:
            ('a * 'b * 'c * 'd * 'e -> 'f) *
                LibFFI.abi * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion) * 'f conversion ->
                ('a * 'b * 'c * 'd * 'e -> 'f) closure
        val buildClosure5:
            ('a * 'b * 'c * 'd * 'e -> 'f) *
            ('a conversion * 'b conversion * 'c conversion* 'd conversion * 'e conversion) * 'f conversion ->
                ('a * 'b * 'c * 'd * 'e -> 'f) closure
        val buildClosure6withAbi:
            ('a * 'b * 'c * 'd * 'e * 'f -> 'g) * LibFFI.abi *
                ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion) * 'g conversion ->
                ('a * 'b * 'c * 'd * 'e * 'f -> 'g) closure
        val buildClosure6:
            ('a * 'b * 'c * 'd * 'e * 'f -> 'g) *
                ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion) * 'g conversion ->
                ('a * 'b * 'c * 'd * 'e * 'f -> 'g) closure

        (* Remove the "free" from a conversion.  Used if extra memory allocated
           by the argument must not be freed when the function returns.  *)
        val permanent: 'a conversion -> 'a conversion

        (* Call by reference.  *)
        val cStar: 'a conversion -> 'a ref conversion
        (* Pass a const pointer *)
        val cConstStar: 'a conversion -> 'a conversion

        (* Fixed size vector.  It is treated as a struct and passed by value or embedded in a structure. *)
        val cVectorFixedSize: int * 'a conversion -> 'a vector conversion
        (* Pass an ML vector as a pointer to a C array. *)
        and cVectorPointer: 'a conversion -> 'a vector conversion
        (* Pass an ML array as a pointer to a C array and, on return, update each element of
           the ML array from the C array. *)
        and cArrayPointer: 'a conversion -> 'a array conversion

        (* structs. *)
        val cStruct2: 'a conversion * 'b conversion -> ('a * 'b) conversion
        val cStruct3: 'a conversion * 'b conversion * 'c conversion -> ('a*'b*'c)conversion
        val cStruct4: 'a conversion * 'b conversion * 'c conversion * 'd conversion -> ('a*'b*'c*'d)conversion
        val cStruct5: 'a conversion * 'b conversion * 'c conversion * 'd conversion *
                          'e conversion -> ('a*'b*'c*'d*'e)conversion
        val cStruct6: 'a conversion * 'b conversion * 'c conversion * 'd conversion *
                          'e conversion * 'f conversion -> ('a*'b*'c*'d*'e*'f)conversion
        val cStruct7: 'a conversion * 'b conversion * 'c conversion * 'd conversion *
                          'e conversion * 'f conversion * 'g conversion -> ('a*'b*'c*'d*'e*'f*'g)conversion
        val cStruct8: 'a conversion * 'b conversion * 'c conversion * 'd conversion *
                          'e conversion * 'f conversion * 'g conversion * 'h conversion -> ('a*'b*'c*'d*'e*'f*'g*'h)conversion
        val cStruct9: 'a conversion * 'b conversion * 'c conversion * 'd conversion *
                           'e conversion * 'f conversion * 'g conversion * 'h conversion * 'i conversion ->
                           ('a*'b*'c*'d*'e*'f*'g*'h*'i)conversion
        val cStruct10: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion -> ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j)conversion
        val cStruct11: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion -> ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k)conversion
        val cStruct12: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion ->
                       ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l)conversion
        val cStruct13: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion ->
                       ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m)conversion
        val cStruct14: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion * 'n conversion ->
                       ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m*'n)conversion
        val cStruct15: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion * 'n conversion *
                       'o conversion -> ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m*'n*'o)conversion
        val cStruct16: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion * 'n conversion *
                       'o conversion * 'p conversion -> ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m*'n*'o*'p)conversion
        val cStruct17: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion * 'n conversion *
                       'o conversion * 'p conversion * 'q conversion ->
                        ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m*'n*'o*'p*'q)conversion
        val cStruct18: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion * 'n conversion *
                       'o conversion * 'p conversion * 'q conversion * 'r conversion ->
                        ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m*'n*'o*'p*'q*'r)conversion
        val cStruct19: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion * 'n conversion *
                       'o conversion * 'p conversion * 'q conversion * 'r conversion * 's conversion ->
                        ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m*'n*'o*'p*'q*'r*'s)conversion
        val cStruct20: 'a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion * 'g conversion *
                       'h conversion * 'i conversion * 'j conversion * 'k conversion * 'l conversion * 'm conversion * 'n conversion *
                       'o conversion * 'p conversion * 'q conversion * 'r conversion * 's conversion * 't conversion ->
                        ('a*'b*'c*'d*'e*'f*'g*'h*'i*'j*'k*'l*'m*'n*'o*'p*'q*'r*'s*'t)conversion

        val buildCall0withAbi: LibFFI.abi * symbol * unit * 'a conversion -> unit -> 'a
        val buildCall0: symbol * unit * 'a conversion -> unit -> 'a
        val buildCall1withAbi: LibFFI.abi * symbol * 'a conversion * 'b conversion -> 'a -> 'b
        val buildCall1: symbol * 'a conversion * 'b conversion -> 'a -> 'b
        val buildCall2withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion) * 'c conversion -> 'a * 'b -> 'c
        val buildCall2:
            symbol * ('a conversion * 'b conversion) * 'c conversion -> 'a * 'b -> 'c
        val buildCall3withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion) * 'd conversion -> 'a * 'b * 'c -> 'd
        val buildCall3:
            symbol * ('a conversion * 'b conversion * 'c conversion) * 'd conversion -> 'a * 'b * 'c -> 'd
        val buildCall4withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion) * 'e conversion ->
                'a * 'b * 'c * 'd -> 'e
        val buildCall4:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion) * 'e conversion ->
                'a * 'b * 'c * 'd -> 'e
        val buildCall5withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion) * 'f conversion ->
                'a * 'b * 'c * 'd * 'e -> 'f
        val buildCall5:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion) * 'f conversion ->
                'a * 'b * 'c * 'd * 'e -> 'f
        val buildCall6withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion) *
                    'g conversion -> 'a * 'b * 'c * 'd * 'e * 'f -> 'g
        val buildCall6:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion * 'f conversion) *
                    'g conversion -> 'a * 'b * 'c * 'd * 'e * 'f -> 'g
        val buildCall7withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion) *
                    'h conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g -> 'h
        val buildCall7:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion) *
                    'h conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g -> 'h
        val buildCall8withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion) *
                    'i conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h -> 'i
        val buildCall8:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion) *
                    'i conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h -> 'i
        val buildCall9withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion) *
                    'j conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i -> 'j
        val buildCall9:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion) *
                    'j conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i -> 'j
        val buildCall10withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion) *
                    'k conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j -> 'k
        val buildCall10:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion) *
                    'k conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j -> 'k
        val buildCall11withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion) *
                    'l conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k -> 'l
        val buildCall11:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion) *
                 'l conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k  -> 'l
        val buildCall12withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion *
                 'l conversion) * 'm conversion ->
                    'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l -> 'm
        val buildCall12:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion *
                 'l conversion) * 'm conversion ->
                 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l -> 'm
        val buildCall13withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion *
                 'l conversion * 'm conversion) *
                'n conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l * 'm -> 'n
        val buildCall13:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion *
                 'l conversion * 'm conversion) *
                'n conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l * 'm -> 'n
        val buildCall14withAbi:
            LibFFI.abi * symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion *
                 'l conversion * 'm conversion * 'n conversion) *
                'o conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l * 'm * 'n -> 'o
        val buildCall14:
            symbol * ('a conversion * 'b conversion * 'c conversion * 'd conversion * 'e conversion *
                 'f conversion * 'g conversion * 'h conversion * 'i conversion * 'j conversion * 'k conversion *
                 'l conversion * 'm conversion * 'n conversion) *
                'o conversion -> 'a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l * 'm * 'n -> 'o
    end
    structure Foreign: FOREIGN