1utime.h(0P) POSIX Programmer's Manual utime.h(0P)
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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 utime.h — access and modification times structure
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15 #include <utime.h>
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18 The <utime.h> header shall declare the utimbuf structure, which shall
19 include the following members:
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22 time_t actime Access time.
23 time_t modtime Modification time.
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25 The times shall be measured in seconds since the Epoch.
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27 The <utime.h> header shall define the time_t type as described in
28 <sys/types.h>.
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30 The following shall be declared as a function and may also be defined
31 as a macro. A function prototype shall be provided.
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34 int utime(const char *, const struct utimbuf *);
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36 The following sections are informative.
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39 The utime() function only allows setting file timestamps to the nearest
40 second. Applications should use the utimensat() function instead. See
41 <sys/stat.h>.
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44 None.
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47 The <utime.h> header may be removed in a future version.
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50 <sys_stat.h>, <sys_types.h>
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52 The System Interfaces volume of POSIX.1‐2017, futimens(), utime()
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55 Portions of this text are reprinted and reproduced in electronic form
56 from IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
57 table Operating System Interface (POSIX), The Open Group Base Specifi‐
58 cations Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of
59 Electrical and Electronics Engineers, Inc and The Open Group. In the
60 event of any discrepancy between this version and the original IEEE and
61 The Open Group Standard, the original IEEE and The Open Group Standard
62 is the referee document. The original Standard can be obtained online
63 at http://www.opengroup.org/unix/online.html .
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65 Any typographical or formatting errors that appear in this page are
66 most likely to have been introduced during the conversion of the source
67 files to man page format. To report such errors, see https://www.ker‐
68 nel.org/doc/man-pages/reporting_bugs.html .
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72IEEE/The Open Group 2017 utime.h(0P)