A  
Arg  Parsing of command line arguments. 
Array [StdLabels]  
Array [Float]  
Array  
Array0 [Bigarray]  Zerodimensional arrays. 
Array1 [Bigarray]  Onedimensional arrays. 
Array2 [Bigarray]  Twodimensional arrays. 
Array3 [Bigarray]  Threedimensional arrays. 
ArrayLabels [Float]  
ArrayLabels  Array operations 
B  
Bigarray  Large, multidimensional, numerical arrays. 
Bool  Boolean values. 
Buffer  Extensible buffers. 
Bytes [StdLabels]  
Bytes  Byte sequence operations. 
BytesLabels  Byte sequence operations. 
C  
Callback  Registering OCaml values with the C runtime. 
CamlinternalFormat  
CamlinternalFormatBasics  
CamlinternalLazy  Runtime support for lazy values. 
CamlinternalMod  Runtime support for recursive modules. 
CamlinternalOO  Runtime support for objects and classes. 
Char  Character operations. 
Complex  Complex numbers. 
Condition  Condition variables to synchronize between threads. 
D  
Digest  MD5 message digest. 
Dynlink  Dynamic loading of .cmo, .cma and .cmxs files. 
E  
Ephemeron [Obj]  
Ephemeron  Ephemerons and weak hash tables 
Event  Firstclass synchronous communication. 
Extension_constructor [Obj]  
F  
Filename  Operations on file names. 
Float  Floatingpoint arithmetic 
Format  Prettyprinting. 
Fun  Function manipulation. 
G  
Gc  Memory management control and statistics; finalised values. 
GenHashTable [Ephemeron]  
Genarray [Bigarray]  
Genlex  A generic lexical analyzer. 
H  
Hashtbl [MoreLabels]  
Hashtbl  Hash tables and hash functions. 
I  
Immediate64 [Sys]  
Int  Integer values. 
Int32  32bit integers. 
Int64  64bit integers. 
K  
K1 [Ephemeron]  
K2 [Ephemeron]  
Kn [Ephemeron]  
L  
LargeFile [UnixLabels]  File operations on large files. 
LargeFile [Unix]  File operations on large files. 
Lazy  Deferred computations. 
Lexing  The runtime library for lexers generated by 
List [StdLabels]  
List  List operations. 
ListLabels  
M  
Make [Weak]  Functor building an implementation of the weak hash set structure. 
Make [Sys.Immediate64]  
Make [Set]  Functor building an implementation of the set structure given a totally ordered type. 
Make [MoreLabels.Set]  
Make [MoreLabels.Map]  
Make [MoreLabels.Hashtbl]  
Make [Map]  Functor building an implementation of the map structure given a totally ordered type. 
Make [Hashtbl]  Functor building an implementation of the hashtable structure. 
Make [Ephemeron.Kn]  Functor building an implementation of a weak hash table 
Make [Ephemeron.K2]  Functor building an implementation of a weak hash table 
Make [Ephemeron.K1]  Functor building an implementation of a weak hash table 
MakeSeeded [MoreLabels.Hashtbl]  
MakeSeeded [Hashtbl]  Functor building an implementation of the hashtable structure. 
MakeSeeded [Ephemeron.GenHashTable]  Functor building an implementation of an hash table that use the container for keeping the information given 
MakeSeeded [Ephemeron.Kn]  Functor building an implementation of a weak hash table. 
MakeSeeded [Ephemeron.K2]  Functor building an implementation of a weak hash table. 
MakeSeeded [Ephemeron.K1]  Functor building an implementation of a weak hash table. 
Map [MoreLabels]  
Map  Association tables over ordered types. 
Marshal  Marshaling of data structures. 
Memprof [Gc] 

MoreLabels  Extra labeled libraries. 
Mutex  Locks for mutual exclusion. 
N  
Nativeint  Processornative integers. 
O  
Obj  Operations on internal representations of values. 
Ocaml_operators  Precedence level and associativity of operators 
Oo  Operations on objects 
Option  Option values. 
P  
Parsing  The runtime library for parsers generated by 
Printexc  Facilities for printing exceptions and inspecting current call stack. 
Printf  Formatted output functions. 
Q  
Queue  Firstin firstout queues. 
R  
Random  Pseudorandom number generators (PRNG). 
Result  Result values. 
S  
Scanf  Formatted input functions. 
Scanning [Scanf]  
Seq  Functional Iterators 
Series [Spacetime]  
Set  Sets over ordered types. 
Set [MoreLabels]  
Slot [Printexc]  
Snapshot [Spacetime]  
Spacetime  Profiling of a program's space behaviour over time. 
Stack  Lastin firstout stacks. 
State [Random]  
StdLabels  Standard labeled libraries. 
Stdlib  The OCaml Standard library. 
Str  Regular expressions and highlevel string processing 
Stream  Streams and parsers. 
String  String operations. 
String [StdLabels]  
StringLabels  String operations. 
Sys  System interface. 
T  
Thread  Lightweight threads for Posix 
ThreadUnix  Threadcompatible system calls. 
U  
Uchar  Unicode characters. 
Unit  Unit values. 
Unix  Interface to the Unix system. 
UnixLabels  Interface to the Unix system. 
W  
Weak  Arrays of weak pointers and hash sets of weak pointers. 