`sig
type int4
type int8
type uint4
type uint8
type fp4
type fp8
exception Cannot_represent of string
exception Out_of_range
val mk_int4 : char * char * char * char -> Rtypes.int4
val mk_int8 :
char * char * char * char * char * char * char * char -> Rtypes.int8
val mk_uint4 : char * char * char * char -> Rtypes.uint4
val mk_uint8 :
char * char * char * char * char * char * char * char -> Rtypes.uint8
val dest_int4 : Rtypes.int4 -> char * char * char * char
val dest_int8 :
Rtypes.int8 -> char * char * char * char * char * char * char * char
val dest_uint4 : Rtypes.uint4 -> char * char * char * char
val dest_uint8 :
Rtypes.uint8 -> char * char * char * char * char * char * char * char
val read_int4 : string -> int -> Rtypes.int4
val read_int8 : string -> int -> Rtypes.int8
val read_uint4 : string -> int -> Rtypes.uint4
val read_uint8 : string -> int -> Rtypes.uint8
val write_int4 : string -> int -> Rtypes.int4 -> unit
val write_int8 : string -> int -> Rtypes.int8 -> unit
val write_uint4 : string -> int -> Rtypes.uint4 -> unit
val write_uint8 : string -> int -> Rtypes.uint8 -> unit
val write_int4_unsafe : string -> int -> Rtypes.int4 -> unit
val write_int8_unsafe : string -> int -> Rtypes.int8 -> unit
val write_uint4_unsafe : string -> int -> Rtypes.uint4 -> unit
val write_uint8_unsafe : string -> int -> Rtypes.uint8 -> unit
val int4_as_string : Rtypes.int4 -> string
val int8_as_string : Rtypes.int8 -> string
val uint4_as_string : Rtypes.uint4 -> string
val uint8_as_string : Rtypes.uint8 -> string
val int_of_int4 : Rtypes.int4 -> int
val int_of_uint4 : Rtypes.uint4 -> int
val int_of_int8 : Rtypes.int8 -> int
val int_of_uint8 : Rtypes.uint8 -> int
val int4_of_int : int -> Rtypes.int4
val uint4_of_int : int -> Rtypes.uint4
val int8_of_int : int -> Rtypes.int8
val uint8_of_int : int -> Rtypes.uint8
val int32_of_int4 : Rtypes.int4 -> int32
val int32_of_uint4 : Rtypes.uint4 -> int32
val int32_of_int8 : Rtypes.int8 -> int32
val int32_of_uint8 : Rtypes.uint8 -> int32
val int4_of_int32 : int32 -> Rtypes.int4
val uint4_of_int32 : int32 -> Rtypes.uint4
val int8_of_int32 : int32 -> Rtypes.int8
val uint8_of_int32 : int32 -> Rtypes.uint8
val int64_of_int4 : Rtypes.int4 -> int64
val int64_of_uint4 : Rtypes.uint4 -> int64
val int64_of_int8 : Rtypes.int8 -> int64
val int64_of_uint8 : Rtypes.uint8 -> int64
val int4_of_int64 : int64 -> Rtypes.int4
val uint4_of_int64 : int64 -> Rtypes.uint4
val int8_of_int64 : int64 -> Rtypes.int8
val uint8_of_int64 : int64 -> Rtypes.uint8
val logical_uint4_of_int32 : int32 -> Rtypes.uint4
val logical_int32_of_uint4 : Rtypes.uint4 -> int32
val logical_uint8_of_int64 : int64 -> Rtypes.uint8
val logical_int64_of_uint8 : Rtypes.uint8 -> int64
val fp8_of_fp4 : Rtypes.fp4 -> Rtypes.fp8
val fp4_of_fp8 : Rtypes.fp8 -> Rtypes.fp4
val float_of_fp4 : Rtypes.fp4 -> float
val float_of_fp8 : Rtypes.fp8 -> float
val fp4_of_float : float -> Rtypes.fp4
val fp8_of_float : float -> Rtypes.fp8
val mk_fp4 : char * char * char * char -> Rtypes.fp4
val mk_fp8 :
char * char * char * char * char * char * char * char -> Rtypes.fp8
val dest_fp4 : Rtypes.fp4 -> char * char * char * char
val dest_fp8 :
Rtypes.fp8 -> char * char * char * char * char * char * char * char
val fp4_as_string : Rtypes.fp4 -> string
val fp8_as_string : Rtypes.fp8 -> string
end`