//ww:run-exit 45
// Migrated from 776_memio_vstream_run row branched_fixed.
package main;
import memio;
import io;
import os;
export fn main() i32 = {
    let a: [3]u8;
    a[0] = 10u8; a[1] = 11u8; a[2] = 12u8;
    let b: [5]u8;
    b[0] = 20u8; b[1] = 21u8; b[2] = 22u8; b[3] = 23u8; b[4] = 24u8;
    let sta: memio.stream = memio.fixed(a[0:3]);
    let stb: memio.stream = memio.fixed(b[0:5]);
    let sa: io.stream = &sta.vt;
    let sb: io.stream = &stb.vt;
    let outa: [3]u8;
    let outb: [5]u8;
    let rda = io.read(sa, outa[0:3]);
    let rdb = io.read(sb, outb[0:5]);
    let na: size = 0;
    let nb: size = 0;
    if (rda is size) { na = rda as size; };
    if (rdb is size) { nb = rdb as size; };
    if (na == 3: size && nb == 5: size && outa[2] == 12u8 && outb[4] == 24u8) { return 45; };
    return 99;
};