From: (T.Porwol) Subject: Re: library functions Organization: Kaleida Labs, Inc. Originator: daemon AT talisman DOT kaleida DOT com Date: 27 Jan 94 08:32:57 GMT To: djgpp AT sun DOT soe DOT clarkson DOT edu Reply-To: djgpp AT sun DOT soe DOT clarkson DOT edu If I remember things correctly the problem you are facing is due to a header file in the libI77 part of f2c. Just look for the definitions if DOS or MSDOS are defined. If MSDOS or DOS is defined open() is redefined as _open(). Hope this helps if not let me know and I will check it on the weekend. Dr. T. Porwol