'\" et
.TH utime.h "0P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
.\"
.SH PROLOG
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
.\"
.SH NAME
utime.h
\(em access and modification times structure
.SH SYNOPSIS
.LP
.nf
#include <utime.h>
.fi
.SH DESCRIPTION
The
.IR <utime.h> 
header shall declare the
.BR utimbuf
structure, which shall include the following members:
.sp
.RS 4
.nf

time_t    actime    \fRAccess time.\fR
time_t    modtime   \fRModification time.\fR
.fi
.P
.RE
.P
The times shall be measured in seconds since the Epoch.
.P
The
.IR <utime.h> 
header shall define the
.BR time_t
type as described in
.IR <sys/types.h> .
.P
The following shall be declared as a function and may also be defined
as a macro. A function prototype shall be provided.
.sp
.RS 4
.nf

int utime(const char *, const struct utimbuf *);
.fi
.P
.RE
.LP
.IR "The following sections are informative."
.SH "APPLICATION USAGE"
The
\fIutime\fR()
function only allows setting file timestamps to the nearest second.
Applications should use the
\fIutimensat\fR()
function instead. See
.IR <sys/stat.h> .
.SH RATIONALE
None.
.SH "FUTURE DIRECTIONS"
The
.IR <utime.h> 
header may be removed in a future version.
.SH "SEE ALSO"
.IR "\fB<sys_stat.h>\fP",
.IR "\fB<sys_types.h>\fP"
.P
The System Interfaces volume of POSIX.1\(hy2017,
.IR "\fIfutimens\fR\^(\|)",
.IR "\fIutime\fR\^(\|)"
.\"
.SH COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1-2017, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 7, 2018 Edition,
Copyright (C) 2018 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group.
In the event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
.PP
Any typographical or formatting errors that appear
in this page are most likely
to have been introduced during the conversion of the source files to
man page format. To report such errors, see
https://www.kernel.org/doc/man-pages/reporting_bugs.html .