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From: rzmul3@tuvie (Uni Leoben)
Newsgroups: comp.os.os9,comp.lang.c
Subject: Re: Bugs in OS9/68K C-Compiler ?
Summary: Better use the Decus CPP
Message-ID: <636@tuvie>
Date: 26 Oct 88 10:23:00 GMT
References: <147@fbihh.UUCP>
Organization: TU Vienna EDP-Center, Vienna, AUSTRIA
Lines: 15



Hi Heino,

Seems like most of your troubles are a result from the Microware CPP.
The Decus CPP (ported to OS-9 by the TOP people) handles all of your example 
programs correct. It doesn't support the -g debugging option, though.

For the 'return 0 != ptr' problem : I don't know why, but 'return ptr != 0'
works. Apparently the compiler automatically casts integers to pointers
on comparisons but doesn't cast pointers to integers. I don't know what
K&R says to this case. Perhaps someone with more C insight could comment
on this.

-- Tom Leitner / Joanneum Research Association / Austria