Date: Tue, 20 Apr 1999 12:28:17 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: vern <vern AT iocc DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: writing to a file
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On Mon, 19 Apr 1999, vern wrote:

> I can open
> the file successfully, but I cannot write to it.  I am trying to write
> the following ot the file:  an array of BITMAPS (if u havent used
> allegro, a bitmap is a typedef structure), and an array of structures.
[snip]
>    save_file = fopen("demo.map", "w");

This last line is the problem: you need to open the file with "wb",
since this is binary data you are trying to write.

> Ive spent some time trying to figure this out myself, but no luck.

Too bad you didn't look in the FAQ first: this problem is explained
there in section 9.3.