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.\"     @(#)utime.3	8.1 (Berkeley) 6/4/93
.\" $FreeBSD: head/lib/libc/gen/utime.3 301768 2016-06-09 22:14:58Z jilles $
.\"
.Dd June 9, 2016
.Dt UTIME 3
.Os
.Sh NAME
.Nm utime
.Nd set file times
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In utime.h
.Ft int
.Fn utime "const char *file" "const struct utimbuf *timep"
.Sh DESCRIPTION
.Bf -symbolic
This interface is obsoleted by
.Xr utimensat 2
because it is not accurate to fractions of a second.
.Ef
.Pp
The
.Fn utime
function sets the access and modification times of the named file from
the
.Va actime
and
.Va modtime
fields of the
.Vt "struct utimbuf"
pointed at by
.Fa timep .
.Pp
If the times are specified (the
.Fa timep
argument is
.Pf non- Dv NULL )
the caller must be the owner of the file or be the super-user.
.Pp
If the times are not specified (the
.Fa timep
argument is
.Dv NULL )
the caller must be the owner of the file, have permission to write
the file, or be the super-user.
.Sh ERRORS
The
.Fn utime
function may fail and set
.Va errno
for any of the errors specified for the library function
.Xr utimes 2 .
.Sh SEE ALSO
.Xr stat 2 ,
.Xr utimensat 2 ,
.Xr utimes 2
.Sh STANDARDS
The
.Fn utime
function conforms to
.St -p1003.1-88 .
.Sh HISTORY
A
.Fn utime
function appeared in
.At v7 .