/*
 * Copyright (c) 2026 Ross Cunniff
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "libio"

proc main()
{
    var a, i, n;

    n = io::nprintf("%s is %g (to %d places)\n", "\x3C0", 3.141592653589, 13);
    "", n, '\n';

    io::printf("Enter a number and a string:\n");
    io::Output.fflush();

    a = io::sprintf("%*.3f", 5, 1.234);
    "", a, '\n';

    a = io::scanf("%d %10c");
    io::putvar(a);

    a = io::scanf("abcdefg123", "%[a-z0-9]");
    io::putvar(a);

    a = io::scanf("2.7182818", "%f");
    io::putvar(a);
}