1FEOF(3P) POSIX Programmer's Manual FEOF(3P)
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6 This manual page is part of the POSIX Programmer's Manual. The Linux
7 implementation of this interface may differ (consult the corresponding
8 Linux manual page for details of Linux behavior), or the interface may
9 not be implemented on Linux.
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12 feof — test end-of-file indicator on a stream
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15 #include <stdio.h>
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17 int feof(FILE *stream);
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20 The functionality described on this reference page is aligned with the
21 ISO C standard. Any conflict between the requirements described here
22 and the ISO C standard is unintentional. This volume of POSIX.1‐2017
23 defers to the ISO C standard.
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25 The feof() function shall test the end-of-file indicator for the stream
26 pointed to by stream.
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28 The feof() function shall not change the setting of errno if stream is
29 valid.
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32 The feof() function shall return non-zero if and only if the end-of-
33 file indicator is set for stream.
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36 No errors are defined.
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38 The following sections are informative.
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41 None.
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44 None.
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47 None.
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50 None.
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53 clearerr(), ferror(), fopen()
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55 The Base Definitions volume of POSIX.1‐2017, <stdio.h>
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58 Portions of this text are reprinted and reproduced in electronic form
59 from IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
60 table Operating System Interface (POSIX), The Open Group Base Specifi‐
61 cations Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of
62 Electrical and Electronics Engineers, Inc and The Open Group. In the
63 event of any discrepancy between this version and the original IEEE and
64 The Open Group Standard, the original IEEE and The Open Group Standard
65 is the referee document. The original Standard can be obtained online
66 at http://www.opengroup.org/unix/online.html .
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68 Any typographical or formatting errors that appear in this page are
69 most likely to have been introduced during the conversion of the source
70 files to man page format. To report such errors, see https://www.ker‐
71 nel.org/doc/man-pages/reporting_bugs.html .
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75IEEE/The Open Group 2017 FEOF(3P)