NAME
   strscan - scan a string for possible assignment to variables

SYNOPSIS
   strscan(str, x_1, x_2, ..., x_n)

TYPES
    str                 string
    x_1, x_2, ...       any

    return              integer

DESCRIPTION
   Successive fields of str separated by white space are read and
   evaluated so long as values remain in the x_i arguments;  when the
   x_i corresponding to the field is an lvalue the value obtained for the
   i-th field is assigned to x_i.

   The function returns the number of fields evaluated.

EXAMPLE
    ; global a,b
    ; strscan(" 2+3  a^2  print(b)", a, b, 0);
    25
        3
    ; print a,b
    5 25

LIMITS
    The number of arguments is not to exceed 1024.

LINK LIBRARY
    none

SEE ALSO
    strcat, strcpy, strerror, strlen, strncmp, strncpy, strpos,
    strprintf, strscanf, substr

## Copyright (C) 1999-2006,2021  Ernest Bowen
##
## 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/
