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71 lines
1.9 KiB
Plaintext
71 lines
1.9 KiB
Plaintext
NAME
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isdefined - whether a string names a defined function
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SYNOPSIS
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isdefined(str)
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TYPES
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str string
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return 0, 1, or 2
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DESCRIPTION
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isdefined(str) returns 1 if str is the name of a builtin function,
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2 if str is the name of a user-defined function, 0 otherwise.
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EXAMPLE
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; isdefined("abs")
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1
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; isdefined("fun")
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0
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; define fun() { }
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fun() defined
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; isdefined("fun")
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2
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; undefine fun
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; isdefined("fun")
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0
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LIMITS
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none
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LINK LIBRARY
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none - XXX ?
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SEE ALSO
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define, undefine,
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isassoc, isatty, isblk, isconfig, iserror, iseven, isfile,
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ishash, isident, isint, islist, ismat, ismult, isnull, isnum, isobj,
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isobjtype, isodd, isprime, isrand, israndom, isreal, isrel,
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issimple, issq, isstr, istype
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## Copyright (C) 1999 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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##
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## @(#) $Revision: 29.3 $
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## @(#) $Id: isdefined,v 29.3 2006/05/07 07:25:46 chongo Exp $
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## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/isdefined,v $
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##
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## Under source code control: 1997/04/05 14:10:17
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## File existed as early as: 1997
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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