ftime(3) [redhat man page]

FTIME(3)						     Linux Programmer's Manual							  FTIME(3)

NAME

       ftime - return date and time

SYNOPSIS

       #include <sys/timeb.h>

       int ftime(struct timeb *tp);

DESCRIPTION

       Return current date and time in tp, which is declared as follows:

		 struct timeb {
		      time_t   time;
		      unsigned short millitm;
		      short    timezone;
		      short    dstflag;
		 };

       Here  time  is the number of seconds since the epoch, millitm is the number of milliseconds since time seconds since the epoch, timezone is
       the local time zone measured in minutes of time west of Greenwich, and dstflag is a flag that, if nonzero, indicates that  Daylight  Saving
       time applies locally during the appropriate part of the year.

       These days the contents of the timezone and dstflag fields are undefined.

RETURN VALUE

       This function always returns 0.

BUGS

       This  function  is  obsolete.  Don't  use  it.  If  the	time in seconds suffices, time(2) can be used; gettimeofday(2) gives microseconds;
       clock_gettime(3) gives nanoseconds but is not yet widely available.

       Under libc4 and libc5 the millitm field is meaningful.  But early glibc2 is buggy and returns 0 there; glibc 2.1.1 is correct again.

HISTORY

       The ftime() function appeared in 4.2BSD.

CONFORMING TO

       BSD 4.2, POSIX 1003.1-2001.

SEE ALSO

       gettimeofday(2), time(2)

Linux								    2001-12-14								  FTIME(3)

FTIME(3)						     Linux Programmer's Manual							  FTIME(3)

NAME

       ftime - return date and time

SYNOPSIS

       #include <sys/timeb.h>

       int ftime(struct timeb *tp);

DESCRIPTION

       This  function returns the current time as seconds and milliseconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC).  The time is returned
       in tp, which is declared as follows:

	   struct timeb {
	       time_t	      time;
	       unsigned short millitm;
	       short	      timezone;
	       short	      dstflag;
	   };

       Here time is the number of seconds since the Epoch, and millitm is the number of milliseconds since time  seconds  since  the  Epoch.   The
       timezone field is the local timezone measured in minutes of time west of Greenwich (with a negative value indicating minutes east of Green-
       wich).  The dstflag field is a flag that, if nonzero, indicates that Daylight Saving time applies locally during the  appropriate  part	of
       the year.

       POSIX.1-2001 says that the contents of the timezone and dstflag fields are unspecified; avoid relying on them.

RETURN VALUE

       This function always returns 0.	(POSIX.1-2001 specifies, and some systems document, a -1 error return.)

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       +----------+---------------+---------+
       |Interface | Attribute	  | Value   |
       +----------+---------------+---------+
       |ftime()   | Thread safety | MT-Safe |
       +----------+---------------+---------+
CONFORMING TO

       4.2BSD, POSIX.1-2001.  POSIX.1-2008 removes the specification of ftime().

       This  function  is  obsolete.   Don't  use  it.	 If the time in seconds suffices, time(2) can be used; gettimeofday(2) gives microseconds;
       clock_gettime(2) gives nanoseconds but is not as widely available.

BUGS

       Early glibc2 is buggy and returns 0 in the millitm field; glibc 2.1.1 is correct again.

SEE ALSO

       gettimeofday(2), time(2)

COLOPHON

       This page is part of release 4.15 of the Linux man-pages project.  A description of the project, information about reporting bugs, and  the
       latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

GNU
								    2017-09-15								  FTIME(3)