.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\" 386BSD man pages
.\" Modified Sat Jul 24 19:48:17 1993 by Rik Faith (faith@cs.unc.edu)
-.TH DIFFTIME 3 2012-12-22 "GNU" "Linux Programmer's Manual"
+.TH DIFFTIME 3 2013-10-28 "GNU" "Linux Programmer's Manual"
.SH NAME
difftime \- calculate time difference
.SH SYNOPSIS
Each of the times is specified in calendar time, which means its
value is a measurement (in seconds) relative to the
Epoch, 1970-01-01 00:00:00 +0000 (UTC).
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR difftime ()
+function is thread-safe.
.SH CONFORMING TO
SVr4, 4.3BSD, C89, C99.
.SH NOTES
.BR ctime (3),
.BR gmtime (3),
.BR localtime (3)
+.SH COLOPHON
+This page is part of release 3.65 of the Linux
+.I man-pages
+project.
+A description of the project,
+and information about reporting bugs,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.