Subj : header files on warp4 cd
To   : mark lewis
From : Murray Lesser
Date : Tue Nov 07 2000 01:27 pm

(Excerpts from a message dated 11-05-00, mark lewis to all)

Hi mark--

ml>aren't there header files on the warp4 cd for those of us who want
  >to code/break programs for our systems? for some reason i'm
  >thinking that there are... these should also be accurate for use on
  >a warp3 system, right?

    "Header" is C/C++ nomenclature.  Other compiled languages that I am
familiar with call them "include" files :-).  There are at least two
sets of header files for OS/2 C/C++ compilers.  One contains the headers
for the "Standard Library" functions--the sort of functions that are
"built in" to every other language processor that I am familiar with.
The second set refers to the library for the OS/2 API (Application
Program Interface) functions.  While these are written as C/C++
functions, they are not a portion of Standard C/C++.  (There may be
other third-party OS/2 C/C++ libraries, issued in the form of a set of
header files along with the appropriate .LIB and .DLL files.)

    As Andre has already told you, the programming "header" files are
not furnished with the OS/2 system distribution CD-ROM.  All OS/2 C/C++
compilers furnish the "Standard Library" set, updated to the specs that
existed at the time the library was originally concocted.  These should
work on any version of OS/2 that the compiler will run under.  Some OS/2
C/C++ compilers also furnish the OS/2 API set (mine does not).  These
will not contain API functions that were created after the date the API
library was licensed from IBM.

    The OS/2 API function "header" files for C/C++ compilers are
distributed as part of the IBM "Developer's Toolkit."  Toolkits 2.1 (and
earlier) were sold separately, both from OS/2, itself, and from the IBM
C/C++ compilers written for that (and earlier) versions of OS/2.  Later
versions of the Toolkit are distributed only with DevCon (the "IBM
Developer Connection," now renamed the "IBM Development Toolbox").  The
Toolkits contain the API header files for C/C++ and the include files
(.INC) for Assembly Language.  The v 4 Toolkit will work with Warp 3
corrected to some FixPak level--I don't remember which one.  Some early
issues of DevCon also contain the v 3 toolkit.  The newest issue of the
"Toolbox" contains only Toolkit 4 and Toolkit 4.5.

    For other programming languages, you have to depend on the compiler
vendor to supply the API "include" files.  The PL/I OS/2 API "include"
..CPY files came with my PL/I compiler.  I also have a set of API .BI
"include" files for the vintage-1990 MS BASIC PDS compiler v 7.1 for
16-bit OS/2 v 1.0.  AFAIK, this was the last compiler MS wrote for OS/2.
The compiler, as well as OS/2 application programs compiled with it, run
fine under Warp 4, FixPak 5.

    Regards,

        --Murray
<Team PL/I>
___
 * MR/2 2.30 #120 * One printed manual is worth a thousand INF files

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