# 2.11BSD#431 - /usr/man/cat3/ferror.0

    FERROR(3S)	    UNIX Programmer's Manual	       FERROR(3S)

    NAME
         ferror, feof, clearerr, fileno - stream status inquiries

    SYNOPSIS
         #include <stdio.h>

         feof(stream)
         FILE *stream;

         ferror(stream)
         FILE *stream

         clearerr(stream)
         FILE *stream

         fileno(stream)
         FILE *stream;

    DESCRIPTION
         Feof returns non-zero when end of file is read on the named
         input stream, otherwise zero.  Unless cleared by clearerr,
         the end-of-file indication lasts until the stream is closed.

         Ferror returns non-zero when an error has occurred reading
         or writing the named stream, otherwise zero.  Unless cleared
         by clearerr, the error indication lasts until the stream is
         closed.

         Clearerr resets the error and end-of-file indicators on the
         named stream.

         Fileno returns the integer file descriptor associated with
         the stream, see open(2).

         Currently all of these functions are implemented as macros;
         they cannot be redeclared.

    SEE ALSO
         fopen(3S), open(2)

    Printed 11/26/99	  May 14, 1986				1

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