LDP: Update original to LDP v3.68

[linuxjm/LDP_man-pages.git] / original / man3 / difftime.3

diff --git a/original/man3/difftime.3 b/original/man3/difftime.3
index fde72e5..35414b7 100644 (file)
--- a/original/man3/difftime.3
+++ b/original/man3/difftime.3
@@ -1,5 +1,6 @@
 .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
 .\"
+.\" %%%LICENSE_START(VERBATIM)
 .\" Permission is granted to make and distribute verbatim copies of this
 .\" manual provided the copyright notice and this permission notice are
 .\" preserved on all copies.
@@ -19,13 +20,14 @@
 .\"
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
+.\" %%%LICENSE_END
 .\"
 .\" References consulted:
 .\"     Linux libc source code
 .\"     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  2010-02-25 "GNU" "Linux Programmer's Manual"
+.TH DIFFTIME 3  2013-10-28 "GNU" "Linux Programmer's Manual"
 .SH NAME
 difftime \- calculate time difference
 .SH SYNOPSIS
@@ -43,7 +45,12 @@ between time \fItime1\fP and time \fItime0\fP, represented as a
 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 "CONFORMING TO"
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR difftime ()
+function is thread-safe.
+.SH CONFORMING TO
 SVr4, 4.3BSD, C89, C99.
 .SH NOTES
 On a POSIX system,
@@ -58,14 +65,19 @@ define
 .fi
 .RE
 when the possible overflow in the subtraction is not a concern.
-On other systems, the data type
-.I time_t
-might use some other encoding
-where subtraction doesn't work directly.
-.SH "SEE ALSO"
+.SH SEE ALSO
 .BR date (1),
 .BR gettimeofday (2),
 .BR time (2),
 .BR ctime (3),
 .BR gmtime (3),
 .BR localtime (3)
+.SH COLOPHON
+This page is part of release 3.68 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.