/usr/share/calc/help/arrow is in apcalc-common 2.12.5.0-1.
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 71 72 73 74 75 76 77 | SYMBOL and NAME
-> - arrow operator
SYNOPSIS
p -> X
TYPES
p pointer to an lvalue
X identifier
return lvalue
DESCRIPTION
p->X returns the same as (*p).X. Thus the current value of *p is
to be an object of a type for which X identifies one element.
p->X then returns the lvalue corresponding to that element of the
value of *p.
The expression *p.X will cause a runtime error since this is
interpreted as *(p.X) in which p is expected to be an object of
an appropriate type.
Spaces or tabs on either side of -> are optional.
EXAMPLES
; obj pair {one, two}
; obj pair A, B
; p = &A
; p->one = 1; p->two = 2
; A
obj pair {1, 2}
; A->two = &B
; p->two->one = 3; p->two->two = 4
; *p->ptwo
obj pair {3, 4}
; B = {5,6}
; *p->two
obj pair {5, 6}
LIMITS
none
LINK LIBRARY
none
SEE ALSO
address, dereference, isptr, dot
## Copyright (C) 1999 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: arrow,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/bin/calc/help/RCS/arrow,v $
##
## Under source code control: 1997/09/06 20:03:34
## 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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