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From: bkahn@archive.webo.dg.com (Bruce Kahn)
Newsgroups: comp.sys.apple2
Subject: Re: Q: Orca/C and p2cstr()
Keywords: C, Orca/C
Message-ID: <1032@dg.dg.com>
Date: 8 Oct 90 14:36:31 GMT
References: <1020@dg.dg.com> <1990Oct5.154015.3147@ux1.cso.uiuc.edu>
Sender: root@dg.dg.com
Reply-To: bkahn@archive.webo.dg.com (Bruce Kahn)
Organization: Data General Corporation, Westboro, MA
Lines: 50

In article <1990Oct5.154015.3147@ux1.cso.uiuc.edu>,
jb10320@uxa.cso.uiuc.edu (Desdinova) writes:
|> In article <1020@dg.dg.com> bkahn@archive.webo.dg.com (Bruce Kahn)
writes:
|> >	fp = fopen(p2cstr(replyPtr->filename,"wb"));
|> >but that didnt work.  I then tried:
|> 
|>    No doubt. I don't believe the Orca "p2cstr" works with Class 1
GS/OS
|> strings.  I imagine it works only with 1-byte length Pascal-type
strings.

  The routine I used to do my in-place conversion was:
	int	nameLen;
	nameLen = replyPtr->filename[0];
	for (loop = 0; loop < nameLen; loop++)
		replyPtr->filename[loop] = replyPtr->filename[loop+1];
	replyPtr->filename[nameLen] = 0;

Since characters are 1 byte, my routine also assumes a 1-byte length
Pascal-type
string.  Since Pascal type strings can be a max of 255 characters long,
they
should only be prefixed by a 1 byte length value.  Of course, things may
have
changed since I took Pascal in college 3 years ago... :)

  For my gratification (I dont have my manuals here), what are the
various
classes of GS/OS strings?  Or better still, which manual should I check
out to
see the actual Apple definitions?

|> --
|> Jawaid Bazyar               | Blondes in big black cars look better
wearing
|> Senior/Computer Engineering | their dark sunglasses at night. (unk.
wierdo)
|> jb10320@uxa.cso.uiuc.edu    |      The gin, the gin, glows in the
Dark!
|>                             |                             (B O'Cult)
|> Apple II Users Unite! Storm the New Product Announcement and Demand
Justice!

--
                                          Bruce
(bkahn@archive.webo.dg.com or
                                                 kahn@adam.dg.com)
  
  Standard disclaimers apply, except where prohibited by law...