utime, utimes - change access and/or modification times of
       an inode


SYNOPSIS

       #include <sys/types.h>
       #include <utime.h>

       int utime(const char *filename, struct utimbuf *buf);

       #include <sys/time.h>

       int utimes(char *filename, struct timeval *tvp);


DESCRIPTION

       utime changes the access and  modification  times  of  the
       inode  specified  by  filename  to  the actime and modtime
       fields of buf respectively.  If  buf  is  NULL,  then  the
       access  and  modification times of the file are set to the
       current time.  The utimbuf structure is:

              struct utimbuf {
                      time_t actime;  /* access time */
                      time_t modtime; /* modification time */
              };

       In the Linux DLL 4.4.1 libraries, utimes is just a wrapper
       for  utime:  tvp[0].tv_sec is actime, and tvp[1].tv_sec is
       modtime.  The timeval structure is:

              struct timeval {
                      long    tv_sec;         /* seconds */
                      long    tv_usec;        /* microseconds */
              };


RETURN VALUE

       On success, zero is returned.  On error, -1  is  returned,
       and errno is set appropriately.


ERRORS

       Other errors may occur.

       EACCES Permission to write the file is denied.

       ENOENT filename does not exist.


CONFORMING TO

       utime: SVr4, SVID, POSIX.  SVr4 documents additional error
       conditions EFAULT, EINTR, ELOOP, EMULTIHOP,  ENAMETOOLONG,
       ENOLINK, ENOTDIR, ENOLINK, ENOTDIR, EPERM, EROFS.
       utimes: BSD 4.3

       stat(2)


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