/usr/share/calc/help/runtime is in apcalc-common 2.12.5.0-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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runtime - CPU time used by the current process in both user and kernel modes
SYNOPSIS
runtime()
TYPES
return nonnegative real
DESCRIPTION
In POSIX based systems, this function will return the CPU seconds
used by the current process in both user and kernel mode. Time
spent in the kernel executing system calls and time spend executing
user code (such as performing computation on behalf of calc) are
both included.
On non-POSIX based systems, this function will always return 0.
In particular, most MS windows based systems do not have the required
POSIX system call and so this function will always return 0.
EXAMPLE
The result for this example will depend on the speed of the CPU
and precision of the operating CPU time accounting sub-system:
; t = runtime();
; x = ptest(2^4253-1);
; runtime() - t;
1.288804
LIMITS
On non-POSIX based systems, this function always returns 0.
LINK LIBRARY
none
SEE ALSO
config, ctime, systime, time, usertime
## Copyright (C) 1999-2006 Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL. You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## @(#) $Revision: 30.1 $
## @(#) $Id: runtime,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/bin/calc/help/RCS/runtime,v $
##
## Under source code control: 1996/03/12 23:10:01
## File existed as early as: 1996
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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