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#autoload
# Options:
#
# -d strip /dev/ prefix from matches
# -D matches allowed with or without /dev/ prefix
# -o only complete those ttys to which processes are attached
local -a ttys expl pre
local stripdev optdev open
zparseopts -D -K -E d=stripdev D=optdev o=open
if [[ -n $open ]]; then
ttys=( ${(u)${${(f)"$(_call_program open-ttys ps -Ao tty=)"}:#\?*}%% *} )
_description open-ttys expl 'open tty'
else
ttys=( /dev/tty?*(N) /dev/pts/^ptmx(N) )
ttys=( ${ttys#/dev/} )
_description ttys expl 'tty'
fi
[[ -z $stripdev ]] && pre=( -p /dev/ )
[[ -n $optdev ]] && compadd "$@" "$expl[@]" -M 'r:|/=* r:|=*' -a ttys && return
compadd "$@" "$expl[@]" "$pre[@]" -M 'r:|/=* r:|=*' -a ttys
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