/usr/share/calc/help/isdefined is in apcalc-common 2.12.4.4-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | NAME
isdefined - whether a string names a defined function
SYNOPSIS
isdefined(str)
TYPES
str string
return 0, 1, or 2
DESCRIPTION
isdefined(str) returns 1 if str is the name of a builtin function,
2 if str is the name of a user-defined function, 0 otherwise.
EXAMPLE
; isdefined("abs")
1
; isdefined("fun")
0
; define fun() { }
fun() defined
; isdefined("fun")
2
; undefine fun
; isdefined("fun")
0
LIMITS
none
LINK LIBRARY
none
SEE ALSO
define, undefine,
isassoc, isatty, isblk, isconfig, iserror, iseven, isfile,
ishash, isident, isint, islist, ismat, ismult, isnull, isnum, isobj,
isobjtype, isodd, isprime, isrand, israndom, isreal, isrel,
issimple, issq, isstr, istype
## 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: isdefined,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/isdefined,v $
##
## Under source code control: 1997/04/05 14:10:17
## File existed as early as: 1997
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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