# new, added after Mk4tcl 1.1

source defs_mk.tcl

T 1 {channel interface} {
  mk::file open db
  mk::view layout db.a {m:B}
  mk::view size db.a 1

  set a 1234567890
  set b $a$a$a$a$a$a$a$a$a$a
  set c $b$b$b$b$b$b$b$b$b$b
  set d $c$c$c$c$c$c$c$c$c$c
  C [string length $d] 10000

  set fd [mk::channel db.a!0 m w]
  puts $fd $a
  puts $fd $b
  puts $fd $c
  puts $fd $d
  close $fd

  switch $::tcl_platform(platform) {
    windows { set eolsize 2 }
    default { set eolsize 1 }
  }
  
  C [string length [mk::get db.a!0 m]] [expr {11110 + 4 * $eolsize}]

  set fd [mk::channel db.a!0 m]
  C [gets $fd] $a
  C [gets $fd] $b
  C [gets $fd] $c
  C [gets $fd] $d
  C [gets $fd x] -1
  close $fd
}

Q 2