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echo: os2prog
to: tom schlangen
from: Thomas Seeling
date: 1996-10-23 00:30:18
subject: C Compiler

Hallo, tom!

*** Am 21. Oktober 1996 um 23:30 schrieb tom schlangen an Eric Rusk:

 ts> yes, the EMX port of gcc will compile for both targets and compile on both
 ts> platforms. it is a family app

No, it is not. FamApps are limited to 16 bit and a certain subset of the
OS/2 api under Dos. Family Apps are in fact OS/2 16 bit programs and the
"dos stub" contains an OS/2 emulator (the documentation tells
which functions are emulated, mostly those that have 1:1 counterparts in
the msdos api).

emx has its own execution environment: the emx dos extender (in case of
Windows/DPMI it is rsx, in case of WinNT it is rsxnt) which offers
something like a unix runtime environment to the program.


Tschau...Thomas

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