ftime(3) -- Linux man page
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This function is obsolete.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)
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