/usr/share/calc/help/fgetfield 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.
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fgetfield - read the next word from a file
SYNOPSIS
fgetfield(fs)
TYPES
fs file stream open for reading
return string or null
DESCRIPTION
Starting at the current file position, any whitespace
characters are skipped. If the reading reaches end-of-file, the
null value is returned. Otherwise the function returns the empty
string "" if the first non-white character is '\0', and in other cases,
the string formed by the non-white-space characters read until '\0' or
a white-space character or te end of the file is reached. In the
cases where the reading is stopped by '\0' or white-space character,
the file position will be that immediately after that character.
EXAMPLE
; f = fopen("/tmp/junk", "w")
; fputs(f, " Alpha Beta \n")
; freopen(f, "r")
; fgetfield(f)
"Alpha"
; fgetfield(f)
"Beta"
; fgetfield(f)
; freopen(f, "w")
; fputstr(f, " Alpha ", "Beta")
; freopen(f, "r")
; fgetfield(f)
"Alpha"
; fgetfield(f)
""
; fgetfield(f)
"Beta"
LIMITS
none
LINK LIBRARY
none
SEE ALSO
fgetstr, fputstr, fgets, fputs, fopen, files, fprintf
## 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: fgetfield,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/fgetfield,v $
##
## Under source code control: 1996/04/30 03:05:17
## 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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