Latest revision as of 17:59, 26 April 2025

The OS/2 API Project (also known as The OS/2 API Documentation Project) is an effort that aims to document all the OS/2 available APIs under an non-restrictive license that can allow derivative works.

For contributors, please review the Introduction to the OS/2 API Documentation.

OS/2 Warp APIs

This are the APIs included on the IBM's OS/2 Warp product.

Kernel

Drivers

Control Program

Presentation Manager

System Object Model (SOM)

SOM Kernel
Interface Repository Framework
Distributed System Object Model API
Workplace Shell
OpenDoc
Open Scripting Architecture
Taligent classes (OS/2 Warp 4 and above)

Languages

Runtime Libraries
- C Library Reference
- Universal Language Support (Unicode)
Language Support
- REXX
- Java Native Interface

Network

TCP/IP

Environment Calls

Desktop Management Interface

Multimedia

Others

Third Parties OS/2 Based APIs

This table lists the third party APIs based on the component level they run.

Kernel

Drivers

ACPI32
ASPI Router
Resource Manager (eCS 1.1 and above)
USBCalls
WarpOverlay

Control Program

Others

32-bit Unicode Console API
APIEX000 - Guided Procedures (eCS 1.1 and above.)
CFGSYS
CUtil
IBM Continuous Speech Series OS/2 Borland Compiler Support
The Open Objects Library (OOL) API
The OS/2 Command Line Utilities
OS/2 API Trace
spUtils
SciTech MGL
WPTools

MMOS2

Presentation Manager

System Object Model (SOM)

eWorkplace (eCS 1.1 and above)
eSchemes (eCS 2.0 and above)
Open Scripting Architecture
SOMXBase
xWorkplace

REXX

VXREXX

OS/2 Ported APIs

These are APIs ported from other platforms to OS/2-eCS-ArcaOS. The functions documentation of the APIs are only linked to their respective sites.

Control Program

Database

DB4 - The Berkeley DB Database Library (libc)
DbfLIB
sqlite (libc)

Files

file-libs - Fine Free File Command (libc)
Exuberant ctags

Graphics

I/O

libaio (libc)
libusb (libc) [1]

Multimedia

ffmpeg (libc)
Libdvbpsi
libkai - K Audio Interface Library (libc)
WebM libvpx (libc)
libdvdnav (libc)
poppler - PDF rendering library (libc)
x264

Network

nss - Network Security Services (libc)
libcurl (libc)
nspr - Netscape Portable Runtime (libc)

Print

CUPS Lib (libc)

Programming Languages Lib

LIBC
libssp - GNU Stack Protector Shared Library (libc)
mmap (libc)
perl (libc)
python (libc)
pthread (libc)
urpo (libc)

Regional / Languages

gettext (libc)
icu - libicu - International Components for Unicode (libc)
libiconv

Security

Cyrus SASL
libgpg-error (libc)
libgcrypt (libc)
openssl (libc)

Utility

libvnc (libc)
NCurses library (libc)
rpm (libc)

XML

libxml (libc)

C

Presentation Manager

glib - GTK+

Graphics

SDL (libc)
Cairo (libc)
Qt 4 Libraries (libc)
Qt 5 Libraries (libc)

Fonts

fontconfig (libc)
pango (libc)

LIBC

This are the libraries/runtimes that does not depends directly on CPI or PM.

Data Compression

liblzma - LZMA Library
zlib

Fonts / Text

GNU Aspell

Graphics

lcms2 - Little CMS
libjpeg-turbo
libjpg - Independent JPEG Group
LibTiff - [2]
libpng
pixman

Interface

libidl - IDL Parsing Library

Math

gmp - The GNU Multiple Precision Arithmetic Library
libmpc - GNU MPC
mpfr - The GNU MPFR Library

Multimedia

freetype
libdvbpsi
popt-libs
qpdf lib

Print

gutenprint Lib

Programming Languages

GCC
libstdc++ - GNU Standard C++ Library
pcre - Pearl-compatible Regular Expression Library

Utilities

readline

XML

expat
libxslt

Contributors

The contributors of the OS/2 API Project:

@@ Line 9: / Line 9: @@
 |style="width: 33%; vertical-align:top;"|
 <h3 id="sec-col1-1" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Kernel</h3>
-*[[Kernel Execution Environment Functions|Kernel Execution Environment]]
+*[[Kernel Execution Environment]]
 *[[Physical Device Driver (DevHlp) Functions|Physical Device Driver (DevHlp)]]
 *[[Presentation Device Driver Functions|Presentation Device Driver]]
@@ Line 18: / Line 18: @@
 <h3 id="sec-col1-1" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Drivers</h3>
 * OEM Helper
-* [[ASPI Router]]
 * [[MMPM/2 Device Driver API]]
 * [[USB Device Driver Stack for OS/2 Warp|USB Stack API]] (usbd)
@@ Line 69: / Line 68: @@
 *[[IBM WorkFrame/2 API]]
 *[[REXXUtil API]]
+* [[Bidirectional Language]]
 |}
@@ Line 83: / Line 83: @@
 <h3 id="sec-col1-1" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Drivers</h3>
 *[[ACPI32]]
+* [[ASPI Router]]
 *Resource Manager (eCS 1.1 and above)
 *[[USBCalls]]
@@ Line 129: / Line 130: @@
 *[[Dynamic Windows Library]]
 *[[EClock Functions|eClock]] (eCS 1.1 and 1.2)
-*[[eCo Software runtime]]
+*[[eCo Software Runtime]]
 *[[eStyler]] (eCS 1.1 and above)
-*[[FileDLG]]
+*[[FileDLG_(Routine)]]
+*[[GI]]
 *[[Glass PM C++ API]]
 *[[Hint Bubble]]
-*[[Kroni's Classes API]]
+*[[Kroni's Classes]]
 *[[libkva]]
 *[[MultiColumn ListBox (MCLB)]]
@@ Line 156: / Line 158: @@
 |style="width: 33%; vertical-align:top;"|
 <h3 id="sec-col1-2" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">REXX</h3>
-*[[EVRexx API]]
+*[[Associative Arrays for Rexx]]
+*[[EVRexx]]
 *[[DrDialog Control]]
-*[[FastINI|FastINI API]]
+*[[FastINI|FastINI]]
-*[[FileREXX API|FileREXX API]]
+*[[FileREXX]]
+*[[FileUt]]
 *[[PR1UTIL|PR1UTIL]]
-*[[REXXIO API|REXXIO API]]
+*[[PrintGraph|PrintGraph]]
-*[[RexxINI API]]
+*[[PYRxUtil]]
+*[[RexxBase]]
+*[[REXXDATE]]
+*[[RexxINI]]
 *[[RexxIPC]]
-*[[RexxMath Library]]
+*[[REXXIO]]
-*[[REXXVIO API]]
+*[[REXXMATH]]
+*[[REXXMouse]]
+*[[RexxRE]]
+*[[RexxVIO]]
+*[[RwIni Library|rwIni]]
 *[[RxCrypt]]
-*[[RXEXTRAS API|RXExtras]]
+*[[RxExtras]]
 *[[RxImgSize]]
-*[[RXMMUTL API]]
+*[[RXMMUTL]]
 *[[rxSock]]
 *[[RXU]]
-*[[RxUnlock Functions|RxUnlock]]
+*[[RxUnlock]]
 *[[RxUtilEx]]
 *[[RxULS]]
-*[[RxSockVM Library]]
+*[[RxSockVM]]
 *[[RxWav]]
-*[[PrintGraph|PrintGraph API]]
 <h3 id="sec-col1-2" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">VXREXX</h3>
@@ Line 183: / Line 194: @@
 * [[VX-REXX Extras Library]]
 * [[VX-REXX Splitbar]]
-* [[VRXDA API|VRXDA]]
+* [[VRXDA|VRXDA]]
 * [[VRExtras API|VRExtras]]
@@ Line 197: / Line 208: @@
 <h4>Database</h4>
-* DB4 - The Berkeley DB Database Library (klibc)
+* DB4 - The Berkeley DB Database Library (libc)
 * [[DbfLIB]]
-* sqlite (klibc)
+* sqlite (libc)
 <h4>Files</h4>
-* file-libs - Fine Free File Command (klibc)
+* file-libs - Fine Free File Command (libc)
 * [[Exuberant ctags]]
@@ Line 210: / Line 221: @@
 <h4>I/O</h4>
-* libaio (klibc)
+* libaio (libc)
-* libusb (klibc) [http://libusb.org/]
+* libusb (libc) [http://libusb.org/]
 <h4>Multimedia</h4>
-* ffmpeg (klibc)
+* ffmpeg (libc)
 * [[Libdvbpsi]]
-* libkai - K Audio Interface Library (klibc)
+* libkai - K Audio Interface Library (libc)
-* [[libvpx - VP8 Video CODEC]] (klibc)
+* [[WebM libvpx]] (libc)
-* libdvdnav (klibc)
+* libdvdnav (libc)
-* poppler - PDF rendering library (klibc)
+* poppler - PDF rendering library (libc)
 * [[x264]]
 <h4>Network</h4>
-* nss - Network Security Services (klibc)
+* nss - Network Security Services (libc)
-* libcurl (klibc)
+* libcurl (libc)
-* nspr - Netscape Portable Runtime (klibc)
+* nspr - Netscape Portable Runtime (libc)
 <h4>Print</h4>
-* CUPS Lib (klibc)
+* CUPS Lib (libc)
 <h4>Programming Languages Lib</h4>
-* LIBC
+* [[LIBC]]
-* libssp - GNU Stack Protector Shared Library (klibc)
+* libssp - GNU Stack Protector Shared Library (libc)
-* mmap (klibc)
+* mmap (libc)
-* perl (klibc)
+* perl (libc)
-* python (klibc)
+* python (libc)
-* pthread (klibc)
+* pthread (libc)
-* urpo (klibc)
+* urpo (libc)
 <!-- MIDDLE COLUMN -->
 |style="width: 33%; vertical-align:top;"|
 <h4>Regional / Languages</h4>
-* gettext (klibc)
+* gettext (libc)
-* icu - libicu - International Components for Unicode (klibc)
+* icu - libicu - International Components for Unicode (libc)
-* [[libiconv]]
+* [[GNU libiconv|libiconv]]
 <h4>Security</h4>
 * [[Cyrus SASL]]
-* libgpg-error (klibc)
+* libgpg-error (libc)
-* libgcrypt (klibc)
+* libgcrypt (libc)
-* openssl (klibc)
+* openssl (libc)
 <h4>Utility</h4>
-* libvnc (klibc)
+* libvnc (libc)
-* [[NCurses]] library (klibc)
+* [[NCurses]] library (libc)
-* rpm (klibc)
+* rpm (libc)
 <h4>XML</h4>
-* libxml (klibc)
+* libxml (libc)
 <h4>C</h4>
@@ Line 264: / Line 275: @@
 * [[FFTW]]
 * [[Greenleaf Data Windows]]
-* [[plibsys]] (klibc)
+* [[plibsys]] (libc)
 <h3 id="sec-col1-2" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Presentation Manager</h3>
 * glib - GTK+
 <h4>Graphics</h4>
-* [[SDL]] (klibc)
+* [[Simple Directmedia Layer |SDL]] (libc)
-* [[Cairo]] (klibc)
+* [[Cairo]] (libc)
-* [[OS2_API:Qt 4 Libraries|Qt 4 Libraries]] (klibc)
+* [[Qt 4 Libraries]] (libc)
+* [[Qt 5 Libraries|Qt 5 Libraries]] (libc)
 <h4>Fonts</h4>
-* fontconfig  (klibc)
+* fontconfig  (libc)
-* pango (klibc)
+* pango (libc)
-<h3 id="sec-col2-1" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">KLIBC</h3>
+<h3 id="sec-col2-1" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">LIBC</h3>
 This are the libraries/runtimes that does not depends directly on CPI or PM.
@@ Line 334: / Line 346: @@
 <h1 id="sec-colB-1" style="margin:3px; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Related Articles</h1>
 * [[The OS/2 API Project - Scrollbars|SBM - Scroll Bar Messages]]
-* [[The OS/2 API Project:Win Error Codes|Win Error Codes]]
+* [[Win Error Codes]]
-* [[The OS/2 API Project:System Colours|System Colours]]
+* [[System Colours]]
-* [[The OS/2 API Project:Presentation Parameters|Presentation Parameters]]
+* [[Presentation Parameters]]
 * [[The OS/2 API Project:Dos Error Codes|Dos Error Codes]]
 * [[Rick Papo's Unofficial Undocumented System API Functions in OS/2]] by [[Rick Papo]]