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Annotation of 43BSDReno/lib/libc/stdio/ferror.3, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)ferror.3    6.4 (Berkeley) 4/1/89
                      6: .\"
                      7: .TH FERROR 3  "April 1, 1989"
                      8: .UC 4
                      9: .SH NAME
                     10: ferror, feof, clearerr, fileno \- stream status inquiries
                     11: .SH SYNOPSIS
                     12: .B #include <stdio.h>
                     13: .PP
                     14: .B feof(stream)
                     15: .br
                     16: .SM
                     17: .B FILE
                     18: .B *stream;
                     19: .PP
                     20: .B ferror(stream)
                     21: .br
                     22: .SM
                     23: .B FILE
                     24: .B *stream
                     25: .PP
                     26: .B clearerr(stream)
                     27: .br
                     28: .SM
                     29: .B FILE
                     30: .B *stream
                     31: .PP
                     32: .B fileno(stream)
                     33: .br
                     34: .SM
                     35: .B FILE
                     36: .B *stream;
                     37: .SH DESCRIPTION
                     38: .I Feof
                     39: returns non-zero when end of file is read on the named input
                     40: .IR stream ,
                     41: otherwise zero.
                     42: Unless cleared by
                     43: .IR clearerr ,
                     44: the end-of-file indication lasts until
                     45: the stream is closed.
                     46: .PP
                     47: .I Ferror
                     48: returns non-zero when an error has occurred reading or writing
                     49: the named
                     50: .IR stream ,
                     51: otherwise zero.
                     52: Unless cleared by
                     53: .IR clearerr ,
                     54: the error indication lasts until
                     55: the stream is closed.
                     56: .PP
                     57: .I Clearerr
                     58: resets the error and end-of-file indicators on the named
                     59: .IR stream .
                     60: .PP
                     61: .I Fileno
                     62: returns the integer file descriptor
                     63: associated with the
                     64: .IR stream ,
                     65: see
                     66: .IR open (2).
                     67: .PP
                     68: Currently all of these functions
                     69: are implemented as macros;
                     70: they cannot be redeclared.
                     71: .SH "SEE ALSO"
                     72: open(2), fopen(3)

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