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From: gordon@osiris.cso.uiuc.edu (John Gordon)
Newsgroups: comp.lang.c
Subject: Re: When will fopen fail?
Message-ID: <1991Apr17.202735.12427@ux1.cso.uiuc.edu>
Date: 17 Apr 91 20:27:35 GMT
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markh@csd4.csd.uwm.edu (Mark William Hopkins) writes:


>   Assuming all the subdirectories are there and writeable (on UNIX or
>MS-DOS), when does

>		     FP = fopen("...", "w");

>fail and return FP == NULL?

	Well, it could fail if the process has reached the limit of
simultaneous open files.  Or if the filename is not valid.  Or if the
filename is actually a device.

---
John Gordon
Internet: gordon@osiris.cso.uiuc.edu        #include <disclaimer.h>
          gordon@cerl.cecer.army.mil       #include <clever_saying.h>