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NAME
scan - scan standard input for possible assignment to variables
SYNOPSIS
scan(x_1, x_2, ..., x_n)
TYPES
x_1, x_2, ... any
return integer
DESCRIPTION
When input is from a terminal, execution is halted and input is read
until a newline is entered. Strings of non-whitespace characters
are evaluated in succession and if the corresponding x_i is an lvalue,
the resulting value is assigned to x_i. If the number of strings
read exceeds n, only the first n strings are evaluated. If the number
of strings is less than n, the later x_i are ignored.
EXAMPLE
; global a, b, c, d;
; scan(a, 0, c, d)
; 2+3 b=a^2 3+4i 3+"a"
; print a,b,c,d
5 25 3+4i Error E_ADD
LIMITS
The number of arguments is not to exceed 1024.
LINK LIBRARY
int scanfstr(char *str, char *fmt, int count, VALUE **vals);
SEE ALSO
fscan, strscan, fscanf, strscanf, scanf, printf, fprintf
## Copyright (C) 1999-2006,2023 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.
##
## Under source code control: 1996/04/30 03:05:18
## 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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